Hear the quietest sound from across the dome.

The curios of pharmacist and collector Henry Wellcome.

Eighty million natural history specimens call this gargantuan museum home.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The world's largest concentrated solar power plant.

Exploring the wilder, more passionate sibling of Erg Chebbi feels like discovering a secret sun-kissed planet from another galaxy.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

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

God's Saharan sandbox of wrath.

A fortified city, home to a remaining population of five families

An abandoned horror film set sits eerily along a highway through Hollywood's "door to the desert."

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

Mosaics, storks, and brothels—this ancient city has it all.

One of the most spectacular canyons in the world.

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

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

One of the few places to grab a beer in Fez is a former British consulate.

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

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

The other side is actually green.

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.