A subterranean Holocaust refuge within one of the world's longest cave systems.

A fortress built to pacify local uprising that had a stint as a Nazi concentration camp before becoming a five-star hotel.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

An unusual number plate signifies the building's saucy past.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

Iron Age "bog person" preserved for over 2,300 years.

Preserved "bog person" that is over 2,000 years old.

Museum about life, death, and cannibalism in the Stone Age.

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

The world's largest collection of intentionally useless inventions.

Europe's second largest ossuary wasn't discovered until 2001.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The Buddhist temples of Yamadera, built into a mountain side, feature a viewing deck with sweeping views.

Prehistoric animals decorate this popular outdoor park.

This grimly-titled Texas cemetery is all that remains of a Wild West settlement with possibly the worst name.

Veritable museum of 20th century country music history.

450 dead and frozen fish, proudly on display in Japan.

On Japan's Tashirojima Island, cats are king.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Extraordinary sculpture garden created by an eccentric English poet.

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

A small museum in this border city displays the contraband art that has been stolen back from smugglers.