Flowerdew encompasses a great number of archaeological sites dating from prehistory through the 20th c., some of which remain unexcavated.
Some notable sites include:
- PG40, the Maycocks site: a Native American village and cemetery, with later elements.
- PG41A-B, the Earthwork Wall: a Native American structure.
- PG64, the Stone House with the Enclosure, and an English burial site: 17th c., with Native American elements.
- PG65, the Fortified Area/Post Structure and Native palisade: 17th c., with Native American elements.
- PG66, Colonoware site (pottery likely made by Africans): 17-18th c., with Native American elements.
- PG72, Sgraffito site: 17th c. building.
- PG80, Colonoware site (pottery likely made by Africans): 18th c., with Native American elements.
- PG90, Village: Native American, with 18th-19th c. elements.
- PG92, Structure with cellar and iron production site: 17th c.
- PG98, Tavern: 18th c., with Native American elements, and pontoon site (the largest and longest occupied site in Flowerdew).
- PG113, Peachy-Selden plantation: 17th-20th c.
- PG114, Slave cabin: 19th-20th.
