St Paul's Cathedral familiar with the unique octagonal lantern tower over the crossing of Ely Cathedral, which spans the aisles as well as the central nave, unlike the central towers and domes of most churches. Wren adapted this characteristic in designing the dome of St Paul's. In section St Paul's also maintains a medieval form, having the aisles much lower than the nave, and a defined clerestory. The most notable exterior feature is the dome, which rises to the cross at its summit, and dominates views of the City. The height of 365 feet is explained by Wren's interest in astronomy. Until the
Wrightstown Octagonal Schoolhouse Wrightstown Octagonal Schoolhouse Wrightstown Octagonal Schoolhouse, also known as Wrightstown Eight Square School and Penns Park Octagonal School, is a historic one-room school located at Wrightstown, Wrightstown Township, Bucks County, Pennsylvania. It was built in 1802, and is a one-story, one room, stone schoolhouse building. It has a wood shingled pyramidal roof and small terra cotta chimney. It operated as a subscription school from its construction until 1850. It was then used as a farm outbuilding, and in the 1980s as an artist's studio. It was restored in 1996 by the Wrightstown Township Historical Commission. It was added to the