An enormous and lavish Gothic church in Czechia.

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

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 plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

This spooky statue sits outside a famous Prague theater.

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

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

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

An industrial site turned into Hungary's most cherished natural wonder.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

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

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

A two-way chairlift system between Zugliget and the highest point in the city.

A museum in the childhood house of a medical pioneer.

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

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Bohemian paradise covered in majestic forests.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

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

Microscopic scenes; some call it novelty, some call it art.

This doorless 20th-century elevator doesn't stop or slow down.

This artificial cave looks like something out of a fairytale.