The Highland House is a historic hotel building, now serving as a museum, located at 27 Highland Light Road within the Cape Cod National Seashore in Truro, Massachusetts. It is located in the Cape Cod National Seashore near the Highland Light in the Truro Highlands Historic District. The present two story wood frame building was constructed in 1907 by Isaac Small, whose family had been serving tourists in the area (among them Henry David Thoreau) since 1835.