This museum houses an imposing skeleton army comprised of creatures great and small.

A surrealist timepiece by the artist of melting clocks.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

A mechanized clock where a man fights off a dragon, crab, and rooster.

The oldest stone house in Paris was built by its most famous alchemist.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Ain't no party like a ghost town party.

One-room museum dedicated to India's most enigmatic mathematician.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

This famous city eluded concrete detection until the early 2000's.

A deadly ancient portal to the underworld.

Dinosaurs invade a suburban Nashville neighborhood.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

This homegrown adoption center offers a wonderland of feline companionship.

A delightful park featuring homemade scale replicas of dinosaurs, tucked away in the Tennessee mountains.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

More than five miles of underground passageways.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Home of an evil witch famous within southern folklore.

Enormous lake at the bottom of a unique cave system.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.