Vast stretch of tide-pools with a unique Moroccan charm.

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

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

One of the most spectacular canyons in the world.

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

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

Reaching this rock formation involves a hike through rocky rapids and springs where wild turtles reproduce.

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.

The other side is actually green.

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

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Go inside to really appreciate this 500-year-old technological masterpiece.

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

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

The site of a legendary battle immortalized in medieval literature.

Legend says this sacred tree was a gift from goddess Athena.

An ancient octagonal weather station named for the eight Greek gods of wind.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Monasteries on rock pillars, once accessible only by frayed ropes.

One of the most photographed locations in the entire city.

An abandoned Byzantine fortress and notorious prison.