The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

A unique hotel for the artistic soul.

Designed as a reminder of one of the darkest moments in Austrian history.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

This spherical sculpture has also been dubbed "the steel orange" due to its likeness to a massive, sliced piece of citrus.

This renaissance château was home to an infamous witch hunter who sent a hundred suspected witches to their deaths.

A Cold War secret surveillance tower used to spy on radio communications.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

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

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

Steadily reminding Czechia of its past.

Looming communist pillar with a Czech twist.

Europe's second largest ossuary wasn't discovered until 2001.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

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

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

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

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

This East German military command bunker was ready for World War III.