The mystery of the Putim Ossuary involves a tricorn hat.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

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

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

The 14th-century ruins are said to contain healing powers.

Two monstrous faces loom over a village in Czechia.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

A mocking tribute to the past and modern leadership of Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Countless grotesque faces stare out from this eerie Prague art wall.

The first museum in the world devoted to sexual gadgetry.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

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

After a 2004 tsunami, this stranded boat was left in place.

A mud brick kasbah with a history of lavishness and traitorship.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

This massive melon is a recreation of a similar gate from the Pan-American Expo.

This giant Christ took first place in South America's religious arms race.

The shipyards along the outskirts of the Bangladesh capital are a flurry dangerous boat breaking and rebuilding.