The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

A cult archaeology conspiracy theory claims these West Virginia petroglyphs were written by Irish monks in Ogham.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

A Muppet museum in small-town Mississippi honors the roots of Jim Henson's most beloved creation.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

This museum pays tribute to the Cherokee leader who created a written language for his people.

The world's second largest single-dish radio telescope, once used to contact E.T.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

An enormous natural sandstone bridge in Kentucky.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

A man's home is his castle.

Moonbows over Kentucky.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

A charming beach town in Turkey captures all the colors of the rainbow.

An Inca spa, military outpost or maybe… both?

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

The sophisticated hydraulic system of the Nazca civilization.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.