An ancient tomb that still stands in Portugal.

This oddly shaped church resembles a rocket.

A fortress off the West coast of Portugal that dates back to 1502.

This castle has links to Portugal’s founding and struggles for independence.

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

Europe's oldest still-operational tea farm also boasts a spectacular view.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

A lush oasis full of vibrant plants and striking geometric displays.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

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

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.

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

One of the largest Roman settlements in Portugal.

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

This crumbling Portuguese ruin overlooks the populace it once ruled.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

A small but charming botanical garden that contains many exotic plant species.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

This abandoned five-star hotel is now a five-star urban exploration destination.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

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

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

A hidden three-foot-wide house separates these two regal churches.