On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eerie, derelict amusement park in Berlin.

A cheeky architectural easter egg.

A giant interactive periodic table with real samples of the elements.

The mystery of the Putim Ossuary involves a tricorn hat.

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

Steadily reminding Czechia of its past.

Mysterious painted skulls in Moravia.

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

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

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

Two monstrous faces loom over a village in Czechia.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

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

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

The first museum in the world devoted to sexual gadgetry.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

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

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