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.

A beautiful but toxic fountain of mercury.

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

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

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