The Monastery of San Lorenzo de El Escorial is a historical complex located near Madrid, Spain. Built in the 16th century, it was commissioned by King Philip II to honor Saint Lawrence and to serve as a royal palace, monastery, and burial site for Spanish monarchs. The architecture reflects the Spanish Renaissance style and is recognized as a UNESCO World Heritage Site. The monastery houses a vast collection of art, including works by famous artists like El Greco and Titian. It also contains a library with important historical texts and manuscripts. The site is a significant symbol of Spain's cultural and religious history.