This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

The only gulag ever to exist in socialist Yugoslavia.

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

This antique thermometer honors the creator of the first universal temperature scale.

Modern art commemorates one of the first military actions of World War II.

The site of the first battle of World War II.

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

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

Massive installation of Europe's negative stereotypes.

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

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

Two monstrous faces loom over a village in Czechia.

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

Looming communist pillar with a Czech twist.

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

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

Monument to a suicide protesting the Soviet invasion.

This artificial cave looks like something out of a fairytale.