there are many smaller important galleries and art museums in the city. among these is the frick collection, one of the preeminent small art museums in the united states, with a very high-quality collection of old master paintings housed in 16 galleries within the former mansion of steel magnate henry clay frick. the collection features some of the best-known paintings by major european artists, as well as numerous works of sculpture and porcelain. it also has furniture, enamel, and carpets.