Usually, as the home of the Bill ('35) & Irma Runyon Art Collections, the galleries house one of the world's most extraordinary collections of English Cameo Glass, as well as 1,100 American and English glass objects and 66 American paintings including important works by Mary Cassatt, Frederick Remington and Charles M. Russell. The glass collections include the mastery of Louis Comfort Tiffany, Steuben Glass Works, Mount Washington Glass Company, New England Glass Company and long-term loans of Galle and rich cut glass.