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.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This fountain was designed to honor the man who helped bring water to Barcelona.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

An early 20th-century bullring converted into a modern shopping center.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

After the owner of this Art Nouveau home died, it was turned into a museum displaying a lifetime dedicated to art.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

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.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

Feast on buckets of garlicky snails.

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

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

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

This oddly shaped church resembles a rocket.

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

This historic streetcar system has been running since the 19th-century.

Elaborate tile work in this railway station tells the story of Portugal.

A small but charming botanical garden that contains many exotic plant species.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.