Augustus Lutheran Church, built from 1743–1745 in Trappe, Pennsylvania, is the oldest unchanged Lutheran church building in the United States in continuous use by the same congregation. The church, which cost 200 pounds sterling, was designed by Heinrich Melchior Mühlenberg. Prior to its construction, the congregation worshiped in a nearby barn. All of the interior fittings were fabricated from local materials, including the pulpit which is made of American black walnut. The building is constructed of red sandstone (now faced with stucco); the east end of the building is formed into a three-sided apse. Above the south entrance is a date stone inscribed in Latin with the names of the church's founders, including Henry Melchior Muhlenberg, Frederick Marstellar, John Nicholas Cressman, Anthon