The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

This ancient Hawaiian henge may have been an early star chart.

A rare specimen of an iconic extinct animal in downtown Sydney.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

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

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

The world's largest concentrated solar power plant.

One of the most spectacular canyons in the world.

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

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

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

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

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

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

Traditional 11th-century outdoor tannery.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

A bright little alley in La Boca is a part of tango history.

An epic sculpture depicting a wagon and straining oxen.

This historic stadium was built to host the first-ever FIFA World Cup.