Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

The discovery of these rare, ancient artifacts led to the creation of a new museum.

The world's most elegant power lines.

Perhaps the most spectacular grotto along the Algarve coastline.

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

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

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

A unique seaside cave where Aleister Crowley faked his own death.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

Nestled in the mountains of Portugal is a tiny village made almost entirely of schist.