Archibald McAllister House, now officially known as Fort Hunter Mansion, is a historic home located at Harrisburg, Dauphin County, Pennsylvania. It was built about 1814, and is a 2 1/2-story, five-bay wide stone dwelling in the Federal style. It has an overall "T"-floorplan, with two rear additions built in the mid- to late-19th century. It features a front portico with Tuscan order columns. The entrance has a semi-circular fanlight and sidelights with thin wooden ribbing. The house is open as a 19th-century historic house museum and 40 acre park.