The main campus of Turkiye's most elite university has a spectacular entrance which in of itself is…read moreworth the visit as you're in the area of Beyazit Square. The gate was originally the entrance for the Ministry of War built in the late 1800s, and as a retired college professor I like the historic transition to a place of learning and scholarship. Security is pretty tight, so you can't enter the campus most of the time without some prior arrangements. If you're an academic or a college student, email a specific department (if you're a sociologist, contact their sociology-anthropology department for example) and they might be able to get your access to visit.