The Sheldon Jackson Museum was the first building in Alaska built with concrete. Its octagonal shape may have been influenced by architectural philosophies of
O.S. Fowler.. In 1972, the Sheldon Jackson Museum building was added as a single property to the
National Register of Historic Places. The main campus buildings were designed by the, then just starting, firm of
Ludlow and Peabody of Boston with aspects of western stick style. Beams were of Douglas fir and design was kept simple and exposed for easy construction and to demonstrate "honesty in building". The entire campus, comprising 18 contributing properties and 3 non-contributing buildings, was designated a
National Historic Landmark District in 2001.
Campus buildings The contributing properties to the historic district, built between 1895 and the 1930s, are: • The Sheldon Jackson Museum, , AHRS# SIT-007, built 1895. • The North Cottage, , AHRS# SIT-00254, built 1900. • The Ceramics Building, also known as the Storehouse, , AHRS# SIT-00553, built 1910-1911. • The Richard H. Allen Memorial Building, also known as the Allen Memorial Hall and Allen Auditorium, , AHRS# SIT-00216, built 1910-1911. • The Whitmore Hall, also known as Home Missions Hall, , AHRS# SIT-00219, built 1910-1911. • The Power Plant and Laundry Building, , AHRS# SIT-00221, built 1910-1911. • The Fraser Hall, , AHRS# SIT-00220, built 1910-1911. • The Stevenson Hall, , AHRS# SIT-00217, built 1911. • The North Pacific Hall, , AHRS# SIT-00218, built 1911. • The Nancy Craig Cottage, , AHRS# SIT-00253, built 1914. • The Ocean Vista Cottage, also known as the Presbyterian Manse, , AHRS# SIT-00215, built 1914. • The West Cottage, , AHRS# SIT-00251, built 1915. • The Houk House, also known as the Lottie Hapgood Practice Cottage, , AHRS# SIT-00223, built 1918. • The Tillie Paul Manor, also known as the Infirmary, , AHRS# SIT-00222, built 1926. • The Ada F. Pears Cottage, , AHRS# SIT-00255, built 1926. • The Sage Building, , AHRS# SIT-00224, built 1929. • The Sawmill, , AHRS# SIT-00554, built in the 1930s. • The Quadrangle area, , AHRS# SIT-00566. Additional campus buildings are: • Stratton Library, built 1974. ==Sitka Fine Arts Camp==