Mysterious painted skulls in Moravia.

Steadily reminding Czechia of its past.

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

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

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 turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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

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

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

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

A saintly relic hidden in a Prague church basement.

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

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

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.

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

This artificial cave looks like something out of a fairytale.

Two monstrous faces loom over a village in Czechia.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.