Arch St. Presbyterian Church   The building was designed by the architectural firm of Hoxie & Button, and built in 1855. It is a one-story. The architecture is neo-classic Greek revival style, a contrast to the modern Comcast Center skyscraper next door. The interior features ornate columns, a domed ceiling, and a massive organ. . It features a portico supported by four Corinthian order columns and a coffered dome. It was added to the National Register of Historic Places in 1971