The largest stretch of the Berlin Wall is right on top of the former SS headquarters

One of the best-preserved pieces of DDR propaganda in Berlin.

One of the world's heaviest musical instruments towers within a popular urban park.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Tiny memorials honor individual victims of the Holocaust.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

The oldest vestiges of Madrid found here, have been incorporated into this new museum.

Commonly acknowledged as the only public monument to the Devil himself.

A lush indoor jungle fills this bustling Madrid transportation hub.

Fascinating exhibits of prehistoric and ancient artifacts displayed with a uniquely modern touch.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

Down this yellow brick road, visitors are treated to toadstool houses and massive mushroom sculptures.

An early 20th-century bullring converted into a modern shopping center.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

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

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

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

An eerie collection of the surviving structures from a past celebration of the future.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

The world's largest wooden structure.