Castle of Clavijo
Clavijo, Spain
The Castle of Clavijo, one of the most famous in the area of La Rioja, Spain, is located on top of an imposing rock, dominating the surrounding land in the municipality of the same name in La Rioja, 15 kilometres (9.3 mi) from the capital, Logroño.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).