Desks are askew in the classrooms of the former St. Agnes Catholic School in Detroit, Michigan. CC photo by Thomas Hawk.
Long disused railroad tracks head into the tunnel beneath Michigan Central Station in Detroit, Michigan. CC photo by Shannon O'Toole.
Home to General Motors' Renaissance Center, the city of Detroit, Michigan, is known as the "Motor City," recognizing it as the historic home of United States automobile manufacturing. CC photo by Paul Bica.