Colegio de San Gregorio - Credit: Wikimedia Commons
The Colegio de San Gregorio is an Isabelline style building located in the city of Valladolid, in Castile and León, Spain, it was formerly a college and now is housing the Museo Nacional de Escultura museum. This building is one of the best examples of the architectural style known as Isabelline, which is the characteristic architectural style of the Crown of Castile region during the Catholic Monarchs' reign (late-15th century to early-16th century). Read more on Wikipedia
Source: en.wikipedia.org