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

This abandoned fortress still stands guard over the Guadiana River despite a history of warfare.

An architectural gem nestled into a promontory overlooking a prehistoric landscape.

The ancient sauropod tracks found in this former quarry are some of the largest in the world.

This enigmatic Roman tower lurks just outside Belmonte.

A glacial valley filled with silver beech trees in the mountains of Portugal.

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

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

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

Portugal's National Pantheon has a history of curses, collapses and financial problems.

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

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

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

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

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

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

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

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

Houses are tucked between, on, and underneath giant boulders.

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

A former plague hospital turned medical museum.

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

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

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