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

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

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.

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

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

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

A small sanctuary carved into the mountainside near the tallest point in continental Portugal.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

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

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

Spain's largest bullring offers a unique glimpse at architecture and history.

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

The world's largest wooden structure.

The tallest tower in Cáceres's Old Town.

An old wool-washing house filled with Fluxus contemporary art.

Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

Images of neighbors past and present guard the streets of this charming alpine village.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A breathtaking and biodiverse wilderness in the mountain setting of Ernest Hemingway's "For Whom the Bell Tolls."

A huge cathedral single-handedly constructed by one eccentric monk.

This tower once served as a radar station during the Cold War.

Peace Park and the Atomic Bomb Dome.

The most famous location in China was home to whole dynasties worth of imperial rulers.