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

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

This Roman arena once played host to bloody gladiatorial battles.

Long tunnels run under the ancient chariot racing circuit to the tower.

The Spanish king's private bathroom embraced the idea of a porcelain throne.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.