Spain

The Mezquita of Cordoba is a beautiful and fascinating 8th-century mosque known for its forest of columns and striped arcades.

The Temple Expiatori de la Sagrada Família is a magnificent basilica designed by celebrated Art Nouveau architect Antoni Gaudi. It remains unfinished, with estimated completion in 2026.

Once part of an important abbey, this Romanesque church in Catalonia has a magnificently carved west porch.

Dating from the late 19th and 20th centuries, Madrid's cathedral is very new by European standards and its traditional-meets-modern design reflects its youth.

An important pilgrimage stop, this Carmelite convent is where St. Teresa of Ávila lived, wrote and had many of her mystical experiences.

This intriguing Romanesque church along the Camino de Santiago has an octagonal plan, Moorish-style vaults, and unusual encircling arcade.

Located near the cathedral, this is the oldest church in Madrid (13th century). Its bell tower is the oldest structure in the city (12th century) and may have been part of a mosque.

Ávila's fortress-like cathedral was begun in the Romanesque style in the 12th century and later continued in the Gothic style, resulting in intriguing combination of styles and materials.

Founded in the 13th century on the site of a mosque, the unusual Valencia Cathedral incorporates a number of architectural styles and artistic treasures - including the Holy Grail!