the Ambassador Bridge (1929) for a total of five miles (8 km) of parkway from bridge to bridge. Michigan constructed its first urban state park, the William G. Milliken State Park and Harbor (2003). Three contemporary high-rise casino resort hotels in Detroit include the MGM Grand Detroit (2007) by SmithGroup, Motor City Casino (2007), and the 30-story Hollywood Casino (2009). A fourth contemporary high-rise casino resort hotel, Caesars Windsor (1998/2008), is visible from the International Riverfront. Besides the Town Center skyscrapers, Southfield's modern towers include the 26-story American Center (1975) by the SmithGroup and One Towne Square (1992) by Rossetti with 21-stories. Other notable centers of commerce in the area are Dearborn, Troy, and Auburn Hills. Dearborn contains the world headquarters of the Ford Motor Company. Dearborn's 14-story luxury Adoba Hotel (1976) with its contemporary arced design by Charles Luckman is among the region's conference centers, with 772 rooms. Rossetti designed Dearborn's modern Ritz-Carlton Hotel (1988) along with the complementary Fairlane Plaza North and South (1990) as well as the Parklane Towers (1973). Troy has a large number of office buildings, many of which are situated along the corridor of Big Beaver Road. The tallest of these is the Top of Troy (1975) building, a 27-story triangular tower. Troy also contains what is generally considered to be the most upscale shopping center in the region, the Somerset Collection. The suburb of Auburn Hills is home to the 15-story Chrysler Headquarters and Technology Center with its on . CRSS Architects designed the Chrysler Technology Center (1993) in a cross-axial formation where its elongated atrium topped concourses converge with an octagonal radiant skylight at its center. The SmithGroup designed the attached contemporary Chrysler Headquarters (1996) tower in golden glass crowned with the pentastar emblem. The nearby The Palace of Auburn Hills (1988) by Rosetti is a sports arena that has served as a prototype for many others of its kind. Future development Between 1996 and 2006, downtown Detroit attracted more than $15 billion in new investment from private and public sectors. In 2011, Quicken Loans moved its company headquarters to downtown Detroit, consolidating suburban offices, a move considered to be of high importance to city planners to reestablish the historic downtown. Quicken Loans purchased office buildings in downtown Detroit and has considered new sites for new construction at the former Statler on Grand Circus Park and the former Hudson's location. Plans for