Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

A monument celebrating the idea of reaching inaccessible places.

Waterfalls, rapids, and top-notch swimming spots await in this densely forested corner of the Smokies.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

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

This former maximum-security prison is creepy, sobering, and supposedly haunted.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

An abandoned town is hidden in Great Smoky Mountains National Park.

Mile-long cave system near Great Smoky Mountains.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Enormous lake at the bottom of a unique cave system.

Could this grave be the true resting place of legendary gunfighter "Doc" Holliday? Unclear.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

This museum of miniature displays provides a journey through early American history.

The remains of this visionary community can still be found much as it was a century ago.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

Moonbows over Kentucky.

The world's longest known cave system.

An abandoned theme park with a strange and tumultuous past.

A former 19th-century tavern, famous for its peach brandy and honey concoction.