Following World War One, the US Postal Service began to use surplus war planes for mail delivery and many were flown by former army pilots. The arrows define a moment in history at the beginning of the 21st century when the US Postal service began delivering air mail. One of the most important flight routes and the first to be completed, stretched across the US from New York to San Francisco. The giant arrows started to be placed across the country, sometimes at mile intervals, from Painted bright yellow and placed alongside beacon with a gas light at the top, the idea was that the markers could be seen for a distance of up to 10 miles so pilots could find their way.
In the summer of , they stretched from Wyoming to Ohio and by the following year, the arrows had reached New York. By , the arrows could direct flights all the way across the width of America. Not all the arrows are in good condition, with each passing winter more cracks appear in the concrete, such as with this arrow in Mote, Nevada.
Pumpernickle n Nevada has its own concrete arrow too, which one again is overlooked by the state's beautiful mountains. In the days before radio and satellite communications, the arrows were a way to ensure pilots could find their way, even in poor weather. While the arrows are now long-forgotten, with many lost forever, there are fans who, having stumbled upon an arrow or two in the countryside, have started mapping those concrete markers that have been left behind. Retired couple Brian and Charlotte Smith were sent an email which piqued their interest and have been hunting down the arrows ever since.
The email playfully explained: The couple say they have found arrows so far and have set up their website Arrows Across America as part of their photography site dreamsmithphotos. The Smiths told MailOnline Travel: Arrowheads and ancient earth mounds have been discovered at Poverty Point, in Utah, but it also has a more recent concrete arrow. A beacon has survived in good condition in New Mexico left and at Cottage Grove in Oregon right - many of these were lost as the metal was used in the war effort during the Second World War.
At Thayer Juntion , in Wyoming, there are boards that supply information about the arrows and their use to passers-by. The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline. The Michelin-star restaurant leaving villagers boiling with rage: Ex-Masterchef star's eatery is keeping residents 'prisoners in their own homes' over parking and noise row. Mystery of the giant arrows scattered across the States: Share this article Share. The references to the Gigantomachy in archaic sources are sparse. There are indications that there might have been a lost epic poem, a Gigantomachia , which gave an account of the war: Hesiod's Theogony says that the Muses sing of the Giants,  and the sixth century BC poet Xenophanes mentions the Gigantomachy as a subject to be avoided at table.
The late sixth early fifth century BC lyric poet Pindar provides some of the earliest details of the battle between the Giants and the Olympians. He locates it "on the plain of Phlegra " and has Teiresias foretell Heracles killing Giants "beneath [his] rushing arrows". The most detailed account of the Gigantomachy  is that of the first century or second century AD mythographer Apollodorus. Scholia to the Iliad mention the rape of Hera by the Giant Eurymedon  and according to scholia to Pindar 's Isthmian 6, it was the theft of the cattle of Helios by the Giant Alcyoneus that started the war.
There was a prophecy that the Giants could not be killed by the gods alone, but they could be killed with the help of a mortal. Before Gaia or anyone else could find this plant, Zeus forbade Eos Dawn , Selene Moon and Helios Sun to shine, harvested all of the plant himself and then he had Athena summon Heracles. According to Apollodorus, Alcyoneus and Porphyrion were the two strongest Giants. Heracles shot Alcyoneus, who fell to the ground but then revived, for Alcyoneus was immortal within his native land.
So Heracles, with Athena 's advice, dragged him beyond the borders of that land, where Alcyoneus then died compare with Antaeus. Other Giants and their fates are mentioned by Apollodorus. Ephialtes was blinded by an arrow from Apollo in his left eye, and another arrow from Heracles in his right.
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Eurytus was killed by Dionysus with his thyrsus , Clytius by Hecate with her torches and Mimas by Hephaestus with "missiles of red-hot metal" from his forge. Poseidon broke off a piece of the island of Kos called Nisyros , and threw it on top of Polybotes Strabo also relates the story of Polybotes buried under Nisyros but adds that some say Polybotes lies under Kos instead.
The rest of the giants were "destroyed" by thunderbolts thrown by Zeus, with each Giant being shot with arrows by Heracles as the prophecy seemingly required. The Latin poet Ovid gives a brief account of the Gigantomachy in his poem Metamorphoses. Jupiter , the Roman Zeus overwhelms the Giants with his thunderbolts, overturning "from Ossa huge, enormous Pelion ".
These new offspring, like their fathers the Giants, also hated the gods and possessed a bloodthirsty desire for "savage slaughter". Various places have been associated with the Giants and the Gigantomachy. As noted above Pindar has the battle occur at Phlegra "the place of burning" ,  as do other early sources. The name Phlegra and the Gigantomachy were also often associated, by later writers, with a volcanic plain in Italy, west of Naples and east of Cumae , called the Phlegraean Fields.
According to the geographer Pausanias , the Arcadians claimed that battle took place "not at Pellene in Thrace" but in the plain of Megalopolis where "rises up fire". Individual battles between a Giant and a god might range farther afield, with Enceladus buried beneath Sicily, and Polybotes under the island of Nisyros or Kos. The presence of volcanic phenomena, and the frequent unearthing of the fossilized bones of large prehistoric animals throughout these locations may explain why such sites became associated with the Giants.
The Gigantomachy was depicted on the new peplos robe presented to Athena on the Acropolis of Athens as part of the Panathenaic festival celebrating her victory over the Giants, a practice dating from perhaps as early as the second millennium BC. Though all these early Attic vases  are fragmentary, the many common features in their depictions of the Gigantomachy suggest that a common model or template was used as a prototype, possibly Athena's peplos.
When present, Gaia is shielded behind Herakles, apparently pleading with Zeus to spare her children. On either side of the central group are the rest of the gods engaged in combat with particular Giants. While the gods can be identified by characteristic features, for example Hermes with his hat petasos and Dionysus his ivy crown, the Giants are not individually characterized and can only be identified by inscriptions which sometimes name the Giant.
An amphora from Caere from later in the sixth century, gives the names of more Giants: Hyperbios and Agasthenes along with Ephialtes fighting Zeus, Harpolykos against Hera , Enceladus against Athena and again Polybotes, who in this case battles Poseidon with his trident holding the island of Nisyros on his shoulder Louvre E The Gigantomachy was also a popular theme in late sixth century sculpture.
The most comprehensive treatment is found on the north frieze of the Siphnian Treasury at Delphi c. Next comes a missing central section presumably containing Zeus, and possibly Heracles, with chariot only parts of a team of horses remain. To the right of this comes a female stabbing her spear  at a fallen Giant probably Porphyrion ;  Athena fighting Eriktypos  and a second Giant; a male stepping over the fallen Astarias  to attack Biatas  and another Giant; and Hermes against two Giants.
Then follows a gap which probably contained Poseidon and finally, on the far right, a male fighting two Giants, one fallen, the other the Giant Mimon possibly the same as the Giant Mimas mentioned by Apollodorus.
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The Gigantomachy also appeared on several other late sixth century buildings, including the west pediment of the Alkmeonid Temple of Apollo at Delphi, the pediment of the Megarian Treasury at Olympia , the east pediment of the Old Temple of Athena on the Acropolis of Athens, and the metopes of Temple F at Selinous.
The theme continued to be popular in the fifth century BC. A particularly fine example is found on a red-figure cup c. On one side of the cup is the same central group of gods minus Gaia as described above: Zeus wielding his thunderbolt, stepping into a quadriga, Heracles with lion skin behind the chariot rather than on it drawing his unseen bow and, ahead, Athena thrusting her spear into a fallen Giant. On the other side are Hephaestus flinging flaming missiles of red-hot metal from two pairs of tongs, Poseidon, with Nisyros on his shoulder, stabbing a fallen Giant with his trident and Hermes with his petasos hanging in back of his head, attacking another fallen Giant.
FACT CHECK: Concrete Arrows Across the U.S.
None of the Giants are named. While previously the Giants had been portrayed as typical hoplite warriors armed with the usual helmets, shields, spears and swords, in the fifth century the Giants begin to be depicted as less handsome in appearance, primitive and wild, clothed in animal skins or naked, often without armor and using boulders as weapons.
With the beginning of the fourth century BC probably comes the first portrayal of the Giants in Greek art as anything other than fully human in form, with legs that become coiled serpents having snake heads at the ends in place of feet. Measuring nearly feet long and over seven feet high, here the Gigantomachy receives its most extensive treatment, with over one hundred figures. Although fragmentary, much of the Gigantomachy frieze has been restored. The general sequence of the figures and the identifications of most of the approximately sixty gods and goddesses have been more or less established.
Some of the names of the Giants have been determined by inscription,  while their positions are often conjectured on the basis of which gods fought which Giants in Apollodorus ' account. The same central group of Zeus, Athena, Heracles and Gaia, found on many early Attic vases, also featured prominently on the Pergamon Altar.
Giants (Greek mythology)
On the right side of the East frieze, the first encountered by a visitor, a winged Giant, usually identified as Alcyoneus , fights Athena. Flying above Gaia, a winged Nike crowns the victorious Athena. To the left of this grouping a snake-legged Porphyrion battles Zeus  and to the left of Zeus is Heracles. On the far left side of the East frieze, a triple Hecate with torch battles a snake-legged Giant usually identified following Apollodorus as Clytius.
America's mysterious concrete arrows
The Giants are depicted in a variety of ways. Some Giants are fully human in form, while others are a combination of human and animal forms. Some are snake-legged, some have wings, one has bird claws, one is lion-headed, and another is bull-headed. Some Giants wear helmets, carry shields and fight with swords. Others are naked or clothed in animal skins and fight with clubs or rocks. The large size of the frieze probably necessitated the addition of many more Giants than had been previously known.
Some, like Typhon and Tityus, who were not strictly speaking Giants, were perhaps included. Others were probably invented. The subject was revived in the Renaissance, most famously in the frescos of the Sala dei Giganti in the Palazzo del Te , Mantua. These were painted around by Giulio Romano and his workshop, and aimed to give the viewer the unsettling idea that the large hall was in the process of collapsing.
The subject was also popular in Northern Mannerism around , especially among the Haarlem Mannerists , and continued to be painted into the 18th century. Historically, the myth of the Gigantomachy as well as the Titanomachy may reflect the "triumph" of the new imported gods of the invading Greek speaking peoples from the north c. More specifically, for sixth and fifth century BC Greeks, it represented a victory for civilization over barbarism, and as such was used by Phidias on the metopes of the Parthenon and the shield of Athena Parthenos to symbolize the victory of the Athenians over the Persians.
The attempt of the Giants to overthrow the Olympians also represented the ultimate example of hubris, with the gods themselves punishing the Giants for their arrogant challenge to the gods' divine authority. In Latin literature , in which the Giants, the Titans , Typhon and the Aloadae are all often conflated, Gigantomachy imagery is a frequent occurrence. In the triumph of science and reason over traditional religious belief, the Gigantomachy symbolized for him Epicurus storming heaven.
In a reversal of their usual meaning, he represents the Giants as heroic rebels against the tyranny of Olympus. Ovid , in his Metamorphoses , describes mankind's moral decline through the ages of gold, silver, bronze and iron, and presents the Gigantomachy as a part of that same descent from natural order into chaos.
Claudian , the fourth-century AD court poet of emperor Honorius , composed a Gigantomachia that viewed the battle as a metaphor for vast geomorphic change: Many a river is left dry or has altered its ancient course Various locations associated with the Giants and the Gigantomachy were areas of volcanic and seismic activity e. Their subterranean movements were said to be the cause of volcanic eruptions and earthquakes. The Giant Enceladus was thought to lay buried under Mount Etna , the volcano's eruptions being the breath of Enceladus, and its tremors caused by the Giant rolling over from side to side beneath the mountain  the monster Typhon  and the Hundred-hander Briareus  were also said to be buried under Etna.
The Giant Alcyoneus along with "many giants" were said to lie under Mount Vesuvius ,  Prochyte modern Procida , one of the volcanic Phlegraean Islands was supposed to sit atop the Giant Mimas ,  and Polybotes was said to lie pinned beneath the volcanic island of Nisyros , supposedly a piece of the island of Kos broken off and thrown by Poseidon. Describing the catastrophic eruption of Mount Vesuvius in 79 AD , which buried the towns of Pompeii and Herculaneum , Cassius Dio relates accounts of the appearance of many Giant-like creatures on the mountain and in the surrounding area followed by violent earthquakes and the final cataclysmic eruption, saying "some thought that the Giants were rising again in revolt for at this time also many of their forms could be discerned in the smoke and, moreover, a sound as of trumpets was heard ".
Names for the Giants can be found in ancient literary sources and inscriptions. Vian and Moore provide a list with over seventy entries, some of which are based upon inscriptions which are only partially preserved. From Wikipedia, the free encyclopedia. For other uses, see Gigantes disambiguation. Hyginus , Fabulae Preface gives Tartarus as the father of the Giants. A parallel to the Giants' birth is the birth of Aphrodite from the similarly fertilized sea.
Alcaeus and Acusilaus make the Phaiakians, like the Giants, offspring of the castration of Uranus, Gantz, p. For the mythographer Diodorus Siculus , the Giants were also a race of men, see 4. A probable early confusion, or at least a possible cause of later confusion can be seen in Euripides ' Iphigenia in Tauris — and Hecuba — , see Torrance, p. Later examples include Callimachus , Hymn 4 to Delos ff. For other examples of Typhon as a Giant, see Horace , Odes 3. See also Horace , Odes 3.
Plato had already associated the Aloadae with the Giants, Symposium b—c. The translations given are A. Here Ovid has apparently conflated the Giants with the Hundred-Handers: Compare with Fasti 5. For a survey of literary sources see Gantz, pp. According to Gantz, p. Also compare with Plato , Sophist a , where comparing materialist philosophers with the Giants, says they "drag down everything from heaven and the invisible to earth, actually grasping rocks and trees with their hands".
Heracles killed Antaeus by crushing him while holding him off the ground. For Pindar , Hearacles' battle with Alcyoneus whom he calls a herdsman and the Gigantomachy were separate events, see: Apollonius of Rhodes , Argonautica 3. The mention of a millstone, in the poem fragment by Alcman mentioned above may be an early reference to the island of Nisyros, see Hanfmann , pp. This same conflation may already occur in Euphorion , fragment Lightfoot Lightfoot, pp. See also Hesiod fragment 43a.
For the importance of the Gigantomachy to the Athenian Acropolis see Hurwit, pp. Several examples from later in the sixth century BC depict a similar central group of Zeus, Heracles and Athena. For British Museum B, see also Schefold, p. Euripides , perhaps referring to archaic vase paintings or to Athena's peplos , locates Heracles and Athena fighting near Zeus in the Gigantomachy, see Heracles — ; Ion — ; Vian and Moore , p.
Boardman, Greek Sculpture Archaic Period fig. According to Schefold, p. For the Temple of Apollo see: Schefold, p 64 ; Shapiro, p. For the Megarian Treasury see: For the Old Temple of Athena see: For an example of a particularly "handsome" Giant see Schefold, p. For more on snake-legged Giants see Ogden, pp. The similarities between Typhon and the Giants are several, both "monstrous children produced by Earth in a spirit of revenge, with the mission to attack and overthrow the gods in heaven, and whose fate they share, blasted by thunderbolts and, in Enceladus' case buried under Sicily.
The names of the gods and goddesses were inscribed on the upper molding of the frieze, with the exception of Gaia whose name was inscribed on the background next to her head, see Ridgway, Brunilde Sismondo , p. For the total number of gods and goddesses, see Ridgway, Brunilde Sismondo , p.
For Queyrel's identification of the various figures, see Fig. Supporting the identification of this Giant as Alcyoneus, is the fragmentary inscription "neus", that may belong to this scene, for doubts concerning this identification, see Ridgway. Though virtually nothing of Heracles remains, only part of a linonskin, and a left hand holding a bow, the location of the hero is identified by inscription, see Queyrel, pp. This figure, now identified by inscription as Udaeus, was previously supposed to be Ephialtes, who Apollodorus, 1.
Udaeus earthy was also the name of one of the Spartoi , who were sometimes called Gegeneis or Gigantes, see Fontenrose, p. Pelorus monstrous , the name of another Spartoi, is a possible restoration of the fragmentary inscription "oreus" listed by Queyrel, p. When he is tired of lying in one posture, he tries to turn himself about, and that causes an earthquake"; Hanfmann , p. Philostratus the Elder , Imagines 2.
Typhon was also said to be buried under the volcanic island of Ischia the largest of the Phlegraean Islands off the coast of Naples , see Lycophron , Alexandra — pp. For the Meropes as Giants see Yasumura, p.