Pagan monument converted to Christianity with the population.

Elaborate tile work in this railway station tells the story of Portugal.

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

This cave was the former seat of power for two brothers who ruled together as kings.

The fragmented remains of a massive public bath connected to the city's water supply.

Medieval ruins nestled within a breathtaking swath of Spanish nature.

Sanctuary on a ridge near an ancient shrine to a "Black Madonna" built by the founder of Opus Dei.

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

A wonderful collection of fossilized dinosaurs and other creatures that roamed the landscape millions of years ago.

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

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

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

A Spanish town built into the cliffs.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

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

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

A unique collection of Swiss art brut and naïve art displayed in an old warehouse.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A whimsical bridge adorned with decorative dragons.