An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

A 16th-century Andalusian palace.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

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

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.

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

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

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

An exquisite collection of fairytale conveyances that puts most car museums to shame.

The world's oldest bookshop still in operation.

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.”

A majestic hotel for dreamers rises from the center of a fairytale wood.

This star-shaped military outpost is now simply trying to protect itself from neglect.

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

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

One of the largest Roman settlements in Portugal.

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

A neolithic tomb converted into a tiny chapel.

The corpse bride of Portugal.

Pagan monument converted to Christianity with the population.