Magnificent Roman ruins lie vulnerable to destruction on the edge of the Mediterranean.

A fortress-like granary that has been continually in use for more than nine centuries.

North Africa's first museum of its kind preserves the culture of Moroccan women and their artistic achievements. 

The legacy of a Moroccan Jewish community is remembered at this little mouldering cemetery.

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

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

A mud brick kasbah with a history of lavishness and traitorship.

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

An eerie former warehouse turned cistern turned movie set.

God's Saharan sandbox of wrath.

The true depths of these stunning Moroccan caves are unknown.

Rocky Atlantic beach home to a stunning stone arch.

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

One of the most spectacular canyons in the world.

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

A Moroccan getaway in the mountain range that plays the Himalayas' stunt double.

Founded as a refugee camp, now a popular tourist spot.

The forgotten remnants of a land-to-sea cable car that was once unique in the world.

Rumors and legends of secret Nazi activities surround this eerily remote island mansion.

A completely underwater art museum sends a stark message about humans' impact on the environment.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

A geological bull's-eye visible from outer space.

This remarkably well-preserved mosque stands amid an 11th-century caravansary.

Five ancient libraries, little changed for centuries, preserve a medieval archive of Quranic lore and civic documents