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

Writers such as Paul Bowles, William Burroughs, and Samuel Beckett frequented this Tangier bookstore.

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

The tomb of one of the greatest travelers in history.

The ruins of a 2,000-year-old Roman fishing village perched on one of the best beaches in Spain.

Single runway interrupted by a busy road that cuts across its middle.

A micro-communist utopia in Spain with no police, no mortgages and full employment.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

A 16th-century Andalusian palace.

The final resting place of the great navigator, or maybe his brother.

The world's largest wooden structure.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

The best place in the world to buy tinned fish.

Eat the ultimate iteration of Portugal's most beloved pastry.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

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

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

The "Little Ones," show Portugal in full miniature splendor.

These 400-year-old ruins are all that's left of the monastery where Ines de Castro was assassinated by the King of Portugal.

This stop on the Camino de Santiago stands high above the underwater ruins of a medieval town.

The tiny Spanish village that long refused to change its outrageously anti-Semitic name.