Rochester is known around the world as the home of Mayo Clinic, and the medical center shapes the city with hospitals, research buildings, and visitors from many countries. The Plummer Building, a historic Mayo Clinic building downtown, is a landmark with its tower and carillon. Mayo Civic Theatre presents concerts and shows, and the Rochester Art Center offers exhibitions near the Zumbro River. Silver Lake Park, with its lake and trails, gives residents a place to walk, picnic, and watch seasons change in southern Minnesota.