For 10 points, name this city nicknamed Motown, the largest in Michigan.
This city's International Riverfront includes America's only state park located in an urban area, the William G. Milliken State Park and Harbor, and this city is also the nation's largest urban area to allow casino resorts. This city's bridge connection to its southeastern neighbor is controlled by Manuel Maroun, who is currently suing in response to plans to build a second bridge parallel to his (*) Ambassador Bridge. That bridge links this city to a location in Essex County which is separated from this city by a river named after this city. That eponymous river is home to a location which contains Humbug Marsh, which borders   ►Wayne County and is part of North America's only international wildlife refuge. For 10 points, name this city nicknamed Motown, the largest in Michigan.
This city's International Riverfront includes America's only state park located in an urban area, the William G. Milliken State Park and Harbor, and this city is also the nation's largest urban area to allow casino resorts.
Detroit