Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

A cluster of granite granaries perched on stilts.

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

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

This crumbling Portuguese ruin overlooks the populace it once ruled.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

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

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

A small Portuguese cottage formed between boulders in the countryside.

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

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

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 small chapel is built of human bones and decorated with a golden skeleton.

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

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

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

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

This 18th-century folly is one of Europe's rare "garden mosques."