The Broad Museum opened a month ago in downtown Los Angeles right next to Gehry’s Walt Disney Concert Hall. Architects of the Boston Institute of Contemporary Art and Highline of New York, Diller Scofidio + Renfro designed and completed their third landmark building in the United States. Broad Museum is probably the second most impressive building I have ever seen in Los Angeles after my first visit to Bonaventura Hotel. Los Angeles is, in general, not the best city for a certain kind of architecture. The skin of the building is rigid, wrapping sides, even internal ceilings. The ground level of the building is reserved..