Monasteries of San Millán de la Cogolla - Credit: Wikimedia Commons
The monasteries of San Millán de Suso (6th century) and San Millán de Yuso (11th century) are two monasteries situated in the village of San Millán de la Cogolla, La Rioja, Spain. They have been designated a World Heritage Site by UNESCO since December 1997. Read more on Wikipedia
Source: en.wikipedia.org