Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

One of the most well-preserved temples of ancient Egypt.

Ozymandias’ time-keeping temple.

An alien landscape of chalk-rock in the Egyptian desert.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Architectureal fantasy quarter of Rome.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

BDSM, 1930s Style.

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

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

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

A unrivaled and rather horrifying collection of wax dermatological models.