The Klementinum is a historic complex located in Prague, Czech Republic. Originally founded as a Jesuit college in the 1550s, it features stunning Baroque architecture and houses the famous Klementinum Library, which is known for its beautiful frescoed ceilings and extensive collection of books. Today, the Klementinum serves as a cultural and educational center, hosting various events and exhibitions. It is also home to the Czech National Library and offers guided tours, allowing visitors to explore its rich history and architectural beauty, making it a popular destination for tourists and locals alike.