Enormous sandstone towers loom within a Czech forest.

Monument to a suicide protesting the Soviet invasion.

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

A crucified and bearded female saint.

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.

An existential riddle in the world's largest ancient castle.

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

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

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

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

Bohemian paradise covered in majestic forests.

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

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

An Orwellian sculpture with eyeball cameras watches passersby.

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

A saintly relic hidden in a Prague church basement.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

This automated sculpture of two men peeing will spell out text messages with their micturition.

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

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

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

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

Two monstrous faces loom over a village in Czechia.