This former royal palace with gorgeous gardens became the first museum in Morocco.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

The designated Jewish quarter in Fez dates back to the 15th century.

Crumbling necropolis set high above Fez.

The other side is actually green.

This 16th-century Moroccan fortress-turned-armory museum offers prime views of the historic quarter in Fes.

The oldest known university in the world is in Fez, Morocco.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

Traditional 11th-century outdoor tannery.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

The real clothing store that inspired a fictional spy organization's front.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

This banal Parisian entranceway is not what it seems.

A tribute shrine where the Space Invasion street art movement started.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

An art installation commemorates journalist Nellie Bly's undercover reporting inside a New York asylum.

Come for the waffles, stay for more waffles.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.