Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

Europe's largest collection of matchbox designs is a fascinating exploration of the cultural history of the world.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

This charming candle shop has been in business since 1789.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This now-defunct synthetic fuel plant was once a major cog in the Nazi war machine.

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

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

Dedicated to the unsung history of human waste.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A crucified and bearded female saint.

A saintly relic hidden in a Prague church basement.

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

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

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

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

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