A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

Be(w)ar(e) the moat around this historic Czech castle.

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

This spooky statue sits outside a famous Prague theater.

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

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

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

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

A series of playful yellow penguins share a serious message about the environment.

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

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

The oldest garden in Prague, once part of an medieval orchard.

Enormous sandstone towers loom within a Czech forest.

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

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

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

Looming communist pillar with a Czech twist.

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

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

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

Bohemian paradise covered in majestic forests.

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

An Orwellian sculpture with eyeball cameras watches passersby.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.