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

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

Traditional 11th-century outdoor tannery.

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

The other side is actually green.

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

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

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

The tomb of one of the greatest travelers in history.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

A five-square-mile slice of Spain on the Mediterranean coast of North Africa.

This historic electric train has operated with regularity since the early 1900s.

A contemporary art installation housed within a Gothic cathedral.

One man's remarkable private collection of art from around the world.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

For more than half a millennia, this automaton has rung an hourly bell.

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

This influential Renaissance-era library was once the haunt of kings and monks.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

This 18th-century pond is one of the main attractions in the Jardín del Príncipe in Aranjuez.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

This abandoned, turn-of-the-century astronomy hub is now the subject of more photographs than it ever took.