The UMD campus consists of more than 50 buildings on overlooking Lake Superior. Most UMD buildings are connected by concourses or hallways. UMD is also home to the Tweed Museum of Art, the Marshall W. Alworth Planetarium, Weber Music Hall, and the Marshall Performing Arts Center. Other UMD facilities include Glensheen Historic Estate, Chester Park School which houses Minnesota Sea Grant and the Speech-Language-Hearing Clinic, the Natural Resources Research Institute, the Research and Field Studies Center, and the Lower Campus which houses the Large Lakes Observatory.