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

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Mountain where Jesus was first tempted by the Devil.

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 semi-secret storybook hedge maze is also the oldest garden in the city.

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

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

Wonderland replication in progress by one persistent man.

Of course Salvador Dalí lived in a castle...

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