This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.

A popular rock that acted as a waymarker for American pioneers.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

A tribute to Ponce de Leon's supposed quest for eternal youth.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

St. Augustine's record-setting narrow street was designed to protect against pirates.