A church filled with the bones of hundreds of virgins martyrs—or so they say.

This "floating railway" is one of the world's oldest monorail systems.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Art and a pun, all in one.

Ruins of a German Castle on top of a towering stone pillar.

The most visited, and possibly most controversial, museum in Germany.

The fairy tale castle of the "fairy-tale king."

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

This village in Bohemian Switzerland hosts more than 300 wood carvings inspired by fairytales, folklore, and other oddities, as well as a series of Communist-era tanks

A concrete plant shaped like four giant soldiers commemorates one of the most decisive battles of the Napoleonic Wars.

Stroll past dozens of intricately-detailed scale replicas of buildings from all over Czechia.

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 cheeky reminder about the value of art dangles above one of Olomouc's busiest streets.

Heralded as one of the prettiest castles in all of Czechia.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

An enormous and lavish Gothic church in Czechia.

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

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

A cheeky architectural easter egg.