A+D Museum, also known as Architecture and Design Museum, Los Angeles, is a museum for architecture and design in Los Angeles, California. It is located in Downtown Los Angeles Arts District at 900 E 4th Street.HistoryA+D Museum was founded by Stephen Kanner and Bernard Zimmerman in 2001. Kanner was inspired by a similar museum he had visited in Helsinki, Finland.The A+D Museum first opened its doors in January 2001 in the Bradbury Building, located at 304 South Broadway (3rd Street and Broadway) in downtown Los Angeles; a space generously donated by Ira Yellin. When the Bradbury building was sold in 2003 the museum moved to a temporary location on the Sunset Strip in West Hollywood. In 2006 A+D Museum found a home on Museum Row in the Miracle Mile district at 5900 Wilshire Boulevard; across the street from LACMA. In April 2010, the museum moved down the street to 6032 Wilshire Boulevard. Displaced by the extension of the Metro Purple Line, A+D Museum returned to Downtown Los Angeles to a warehouse-turned-museum in the Arts District in the Summer of 2015.MissionA+D Museum was created to celebrate and promote an awareness of architecture and design in everyday life through exhibits, educational programs, and public outreach to the design community as well as the public in the greater Los Angeles area.