The GM Renaissance Center is the place to be in Downtown Detroit. Visitors can enjoy convenient shopping, enhanced parking, fine dining, 1,100 seat Food Court, relaxing spa services, first-run movies, a top notch fitness facility, outdoor and indoor concerts, the new Detroit RiverWalk, professionally guided tours and exciting special events. The GM Showroom, a 44,000 sq.ft. interactive showroom features; Buick, Chevrolet, Cadillac and GMC vehicles and specialty cars. The professionally guided one-hour tour takes visitors through the landmark GM Renaissance Center and outlines the rich history that General Motors shares with the city of Detroit. The tour concludes with a glass elevator ride to the Coach Insignia restaurant located on the 72nd floor of the Detroit Marriott Hotel for a 360-degree view of two countries. November 24, 1971, Henry Ford II, announced plans for the Renaissance Center. Construction of the Ren Cen began, May 22, 1973. Project architects were by John Portman & Associates. Formal dedication was held on April 15, 1977. May 16, 1996, General Motors announced the purchase of the Ren Cen for its global headquarters.