Heritage Museums & Gardens is comprised of three galleries and expansive gardens located in historic Sandwich, Massachusetts. It includes galleries for American Folk Art, a vintage carousel, automobiles and traveling exhibitions. The gardens feature a collection of thousands of rhododendrons, including a collection of the world-renowned Dexter variety. Their typical bloom time is from Memorial Day Weekend to mid-June. Other horticultural areas of interest include: holly, daylily, herb, host, and heather gardens, as well as more than a thousand varieties of trees, shrubs and flowers. The grounds also include the Old East Mill, a windmill built in Orleans, Massachusetts in 1800, and extensively restored in 1999-2000. In 2002, a labyrinth was also added to the grounds, designed by Marty Cain, one of the best-known labyrinth designers in North America. Also located on the grounds is the Hart Family Maze Garden and the Cape Cod Hydrangea Garden.