A Baroque mansion with ties to legendary magicians and alchemists.

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

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Macabre astrological automaton clock dating to the late 1400s.

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

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

A series of playful yellow penguins share a serious message about the environment.

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

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

A church of bones, decorated with 40,000 human skeletons.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

No one knows the origin of this creepy little stone man with an oversized phallus.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This building has survived for more than a century and remains virtually untouched.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The true meaning behind this sculpture remains unknown.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Once the home of a hermetic monk, this cave now houses a small church.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.