Philadelphia-based architect Samuel Sloan created this building, also known as Nutt's Folly?
Longwood (Natchez, Mississippi) Longwood, also known as Nutt's Folly, is an historic antebellum octagonal mansion located at 140 Lower Woodville Road in Natchez, Mississippi, United States. The mansion is on the U.S. National Register of Historic Places, and is a National Historic Landmark. Longwood is the largest octagonal house in the United States.
Logan Square, Philadelphia Logan Square is a neighborhood in Philadelphia. Bounded by Market Street on the south, Spring Garden Street on the north, Broad Street on the east, and the Schuylkill River on the west, it occupies the northwest quadrant of Center City. The square for which it is named is one of the five "squares", or parks, central to William Penn's design for Philadelphia. Originally called Northwest Square, it was renamed in honor of James Logan, an eighteenth-century mayor of Philadelphia.