135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

How did a French journalist’s grave become the sexiest statue in the cemetery?

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.

A peculiar samurai statue overlooks the center of Brno.

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

An enormous and lavish Gothic church in Czechia.

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

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

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

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

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

This fairytale medieval church in Poland originally spent centuries in Norway.

A collection of old neon signs from all over Poland line a secluded courtyard.