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

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

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

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

This now abandoned restaurant provides some of the most amazing views of Lisboa.

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

This charming candle shop has been in business since 1789.

This Bronze Age man spent millennia buried in a mine, giving his bones an eerie hue.

See replicas of Europe's most famous cave paintings and even some of the animals that feature in the art.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

This influential Renaissance-era library was once the haunt of kings and monks.

Whether they are bulls or pigs, these ancient animal sculptures are fascinating relics.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

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

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

The world's oldest bookshop still in operation.

Rare karst landscape eroded from a flat seabed.

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

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

Remote, beautiful, and stigmatized, Las Hurdes is Spain's version of Appalachia.