The impressive artistic collection, with about 1,000 items, the entire family collected together. Among the collections are ancient furniture and art pieces by famous artists such as Degas and Rembrandt. The pieces are scattered throughout the 16 halls of the museum.
The museum itself is small and pretty and was designed by architects Carrère & Hastings in 1914. In 1935 the architect John Russell Pope expanded the building to fit it to a place for the public. The building is in the neo-Classic style, and the garden was planned according to the model of a Roman atrium, with palm trees in the garden. In the courtyard, you will also see a round music hall used for concerts and conferences.