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

Steadily reminding Czechia of its past.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Hungarian self-built castle.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

This spooky statue sits outside a famous Prague theater.

A mocking tribute to the past and modern leadership of Prague.

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

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

An enormous and lavish Gothic church in Czechia.

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

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

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

Visitors flock to the historic birthplace of radiobalneology for its therapeutic radium treatments.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

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

This Gothic church was wheeled in its entirety to a new location a half a mile away.

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

Two monstrous faces loom over a village in Czechia.

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

Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.

A diminutive statue that was inspired by the sculptor's own daughter.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

How did an Australian statue of the Bard of Avon end up in the Hungarian capital?