 Six visitor information centers are located in or near the park, including the main visitor center at Hulls Cove (northwest of Bar Harbor), a nature center at Sieur de Monts (south of Bar Harbor), an information center on Thompson Island (along the roadway to Mount Desert Island), another information center at Village Green in Bar Harbor, a historical museum in Islesford on Little Cranberry Island, and the Rockefeller Welcome Center on the Schoodic Peninsula.The Rockefeller Welcome Center is the only one open throughout the year, though it is closed on winter weekends; the others are all closed in winter.After the naval base on the Schoodic Peninsula closed in 2002, the National Park Service (NPS) acquired the land and established the Schoodic Education and Research Center (SERC).