The Church of Santa María de Sariegomuerto is a Romanesque-style church in the municipality of Villaviciosa. The church appears to date originally from the 12th to 13th centuries; it appears to be mentioned in documents in 921, linked to grants by Ordoño II to the Oviedo Cathedral. The church has undergone a number of refurbishments along the centuries. The church was rebuilt after arson during the Spanish civil war.
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The city walls of Avila were built in the 11th century to protect the citizens from the Moors. They have been well maintained throughout the centuries and are now a major tourist attraction as well as a UNESCO World Heritage Site. Visitors can walk around about half of the length of the walls.
The layout of the city is an even quadrilateral with a perimeter of 2,516 m. Its walls, which consist in part of stones already used in earlier constructions, have an average thickness of 3 m. Access to the city is afforded by nine gates of different periods; twin 20 m high towers, linked by a semi-circular arch, flank the oldest ones, Puerta de San Vicente and Puerta del Alcázar.