This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

A poem by Arthur Rimbaud is inscribed on the wall of a street that, while it is only one block long, plays a key role in multiple novels.

A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

An unusual number plate signifies the building's saucy past.

This lucky bronze frog was gifted to Madrid by a casino.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

A massive line that stretches across the floor of Bologna’s largest church was created by a 17th-century scientist to measure the movements of the Sun.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

A diverse collection of wax, bone, papier-maché and mummified relics.

The mummified relic of St. Catherine sits forever on a golden throne.

Massive galleon from a box-office bomb docked in Genoa.

This saucy statue once caused outrage among locals.