The collections include approximately 250,000 objects in all media,[1] ranging in date from antiquity to the present and originating in Europe, North America, North Africa, the Middle East, South Asia, East Asia, and Southeast Asia. The main building contains 204,000 square feet (19,000 m2) of space for public exhibitions, classrooms, conservation and research labs, and other related functions.[8] Approximately 43,000 square feet (4,000 m2) of space are dedicated to exhibitions.[2]