Many Los Angeles landmarks are renowned as architectural masterpieces, and L.A.’s lush gardens are equally as famous. Pritzker Prize winning architects designed Walt Disney Concert Hall, the Cathedral of Our Lady of the Angels, the Broad Contemporary Art Museum at LACMA, and the Getty Center. Legendary architect Frank Lloyd Wright designed several L.A. landmarks, including the Hollyhock House and the Ennis House. Gardens are an integral part of L.A.’s cultural landscape, such as Descanso Gardens and the Huntington Library. Exposition Park’s famous Rose Garden is on the National Register of Historic Places. Renowned artist Robert Irwin designed the Getty Center’s Central Garden. UCLA’s Mildred E. Mathias Botanical Garden maintains one of the country's most important living botanical collections.