Collegium Maius is the oldest building of the Jagiellonian University in Kraków, Poland. Established in the 15th century, it served as a residence and teaching space for scholars. The building features a beautiful Gothic architectural style and houses a collection of historical artifacts related to the university's rich history. Today, Collegium Maius functions as a museum, showcasing items such as ancient manuscripts, scientific instruments, and portraits of notable alumni. Visitors can explore its charming courtyard and learn about the university's contributions to education and culture in Poland and beyond.