This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

A mesmerizing landscape of 18th-century cellars carved out of the land.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

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

An unusual bronze bus shelter is actually an art installation commenting on the city's history with the Nazi party.

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

This Czech military museum is home to pink tank that was once a symbol of art and political rebellion.

An enormous and lavish Gothic church in Czechia.

Massive installation of Europe's negative stereotypes.

Unique house covered in a nightmarish mural of demons, ghosts and monsters.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

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

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

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

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

Bohemian paradise covered in majestic forests.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

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

A symbol for the opposition to nuclear power around the world.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.