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

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.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Spain's stunning solar energy plant.

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

The world's largest wooden structure.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

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

A beautiful but toxic fountain of mercury.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Mountain where Jesus was first tempted by the Devil.

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

This abandoned racetrack looks like it is set to hold competitions in the apocalypse.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

An engineering masterpiece, or “Scheme of Madness?”

What was once a unique system of urban elevators is turning into a mechanical ruin.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

This stone complex marks the urban center of a lost civilization.