It is a set of four museums that are situated across Rome. Opened in the year 1890, the museum has collections from 5th century B.C to 3rd century A.D. It was in 1990 that the collection of the museum were divided into four different locations. The name of the four Museums are Crypta Balbi, Palazzo Altemps, Palazzo Massimo alle Terme and Baths of Diocletian. The collection in these museums include paintings by famous artists and breathtaking sculptures.