Seattle's own bad art museum located inside Cafe Racer.

A house filled to the brim with oddities and curiosities.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Relics given to a Manhattan church to avoid seizure by the Italian government.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

Statue of death tucked in the University of Medicine courtyard.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

A crucified and bearded female saint.

Mysterious painted skulls in Moravia.

A saintly relic hidden in a Prague church basement.

Mummified monks and the accidentally interred, in a 17th-century crypt.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

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

The hidden lair of an alchemist rediscovered in a 2002 flood.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A spiral staircase twists to the top of this unusual Czech lookout tower.

"The most colorful grottoes of the world.