Westin Bonaventure Hotel, Los Angeles, US

The Westin Bonaventure Hotel is the largest hotel in Los Angeles, California, USA. It is 367 feet (112 m) tall and has 35 floors. Construction began in 1974, and was completed in 1976. The top floor has a revolving restaurant and bar. It was originally owned by investors including a subsidiary of Japanese conglomerate Mitsubishi Corporation and Portman Cos. in Atlanta.

It is currently managed by Interstate Hotels & Resorts (IHR). The hotel's architecture figures prominently in the work of literary critic and social theorist Fredric Jameson, who argues that it typifies the logic of postmodern social organization.

Architect : John Portman

Walt Disney Concert Hall, Los Angeles, US

The Walt Disney Concert Hall at 111 South Grand Avenue in Downtown Los Angeles, California is the fourth hall of the Los Angeles Music Center. Bounded by Hope Street, Grand Avenue, 1st and 2nd Streets, it seats 2,265 people and serves (among other purposes) as the home of the Los Angeles Philharmonic orchestra and the Los Angeles Master Chorale.

The building opened on October 23 2003. Upon completion in 2003, the project had cost an estimated $274 million, including the parking garage which had solely cost $110 million.

Architect : Frank Gehry