Main Campus of North Carolina State University. The Main Campus is the primary campus of North Carolina State University, located in Raleigh, North Carolina, US, inside the Beltline. Notable features of Main Campus include the Bell Tower and D. H. Hill Library. The campus is known for its distinctive red brick buildings, sidewalks, plazas, and sculptures; some are dotted with decorative brick mosaics. University Plaza is nicknamed The Brickyard because it is mostly a flat, open, bricked area. The Main Campus is divided into three sections: