This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

In Rickwood Caverns, visitors can travel hundreds of feet underground and see beautiful formations unique to the region.

One of almost 200 confirmed impact craters in the entire world, untouched for tens of millions of years.

Famous for its bio-luminescent inhabitants, known as "Dismalites" .

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

You'll need cowboy boots to trek to this old-fashioned saloon nestled in a giant natural cave.

One person's lost luggage is another person's treasure.

This general store is more than a century old and home to various oddities and antiques.

A historic coal mine that doubles as a museum and tourist attraction.

Time travel with sweets across history at this research-based candy store.

America's post-nuclear-attack chambers of Congress.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

This defunct, fortress-like prison has been the setting for several movies.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

An abandoned relic of the city's failed experiment with below ground transit.

Inside houses a vast collection of military aircraft and missiles spanning the ages.