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.
Two Logan Square Two Logan Square is a highrise office building in downtown Philadelphia, just off the Benjamin Franklin Parkway. The building is known for its signature roofline with a backlit clock. It is a companion building to One Logan Square which stands across Cherry Street, and to Three Logan Square, across 18th Street.