One part antique store, one part curiosities hodge-podge.

Ruins of a once-opulent grand Victorian resort.

A popular swimming hole that hides one of America's most deadly diving spots.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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

An Austrian house of bones filled with hundreds of intricately painted skulls.