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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

A historic Christian shrine nestled within a spectacular natural cave.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

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.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

A series of recreated fortifications mark George Orwell's path through the Spanish Civil War.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

This beautiful spit of land was once the summer playground of the king of Spain.

A living art gallery painted on a canvas of Monterey pine trees.

An archeological treasure trove stumbled upon by a couple of children.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

This 19th-century fountain's namesake animal isn't what you think it is.

Giant topiary dog once played a role in a terrorist bomb plot.