The Westin Bonaventure Hotel and Suites is a 367-foot (112 m), 33-story hotel in Los Angeles, California, constructed between 1974 and 1977. It was designed by architect John C. Portman Jr.. The top floor has a revolving restaurant and bar. It was originally owned by investors that included a subsidiary of Japanese conglomerate Mitsubishi Corporation and John Portman & Associates. The building is managed by Aimbridge Hospitality (IHR), and is valued at $200 million.