The original building is a five-story red brick building on a fieldstone base. The primary building materials were fieldstone and undressed limestone blocks. In areas where there was little usable rock, brick or fieldstone was used. Today, approximately one dozen early fieldstone or brick dwellings remain intact, though not necessarily restored. Pennsylvanian architecture, is constructed of coursed fieldstone. Its details are plain in comparison with Stone House and the exterior in fieldstone. The Church has Spanish Colonial architecture mixed with New England Fieldstone. The cottage is in the Dutch Colonial Revival architectural style, built of fieldstone. The plazas would be constructed of native fieldstone, resembling Colonial-era architecture. The lodge, built in a "Cascadian" architectural style using native split fieldstone laid irregularly. They reside in a home in Fieldstone Farms, a neighborhood of Franklin, Tennessee, near Nashville. A -story addition constructed of fieldstone was built about 1816. The campus contains three buildings made of "midcentury modern fieldstone and glass". It is a fieldstone structure, two stories high, with a flat roof. The first-story exterior is faced in native fieldstone.