Baker Mansion. Erected 1844-1847. Architect, Robert Cary Long, Jr. Residence of Elias Baker, Ironmaster, and his family, 1848 to 1914. Museum of the Blair County Historical Society since 1922. Entrance to mansion from street in rear. Baker Blvd. & Mansion Blvd., Altoona, PA by Pennsylvania Historical and Museum Commission Colour: blue Wikimedia: Flickr: Google Streetview OpenStreetMap