An enormous and lavish Gothic church in Czechia.

One of the oldest, well-preserved water treatment facilities in all of Europe.

A half-buried vehicle in Prague's is the latest iteration in a long-running piece by Czech artist David Černý.

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

The 14th-century ruins are said to contain healing powers.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

The mystery of the Putim Ossuary involves a tricorn hat.

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

Mysterious painted skulls in Moravia.

A massive, abstract lookout tower providing a panoramic view of Prague.

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

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

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

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

A bus with a butt and biceps to put Olympic athletes to shame.

This former quarry is now a picturesque gorge that hides a sunken lake.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

Looming communist pillar with a Czech twist.

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

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

Two monstrous faces loom over a village in Czechia.

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

Thirty creepy ghosts now inhabit this decaying 14th-century church.