article_snippet.sent: But these giant arrows, which can measure up to 70ft in length, are actually a forgotten remnant of a bygone age.
article_snippet.sent: A huge concrete arrow was one of 102 found by retired couple Brian and Charlotte Smith, who have travelled across the US to photograph the monuments .
article_snippet.sent: 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.
article_snippet.sent: Retired couple Brian and Charlotte Smith were sent an email which piqued Retired couple Brian and Charlotte Smith interest and have been hunting down The arrows ever since.
article_snippet.sent: Retired couple say Retired couple have found 102 arrows so far and have set up Retired couple website Arrows Across America as part of Retired couple photography site dreamsmithphotos.com so fellow fans can share Retired couple own pictures and help map where The arrows are.
article_snippet.sent: The Smiths told MailOnline Travel: 'The Smiths have located 102 arrows or portions of arrows, some are badly deteriorated and not much is left.
article_snippet.sent: At Thayer Juntion, in Wyoming, there are boards that supply information about the arrows and their use to passers-by . '
article_snippet.sent: Our interest grew out of an email circulating in August 2013, Our wanted to know where boards that supply information about the arrows and their use to passers-by were, and set out to find boards that supply information about the arrows and their use to passers-by. '
article_snippet.sent: Eventually Our hope to have photos of all the arrows that Our have located, but time and money will dictate how long that will take Our. '
highlights_snippet.sent: While The arrows are no longer used, many lie forgotten until The arrows are found by arrow-hunting fans .