National Colonial Farm - Outdoor living history museum to educate people about life on a middle-class tobacco farm of 1775. - http://www.accokeek.org/visit/national_colonial_farm
The Alice Ferguson Foundation/Hard Bargain Farm - Fosters environmental responsibility and enhances the historic legacy and rural character of Hard Bargain Farm by sharing the wonder and excitement of exploring a working farm, woods and wetlands on the Potomac shoreline. - http://www.fergusonfoundation.org/
The Accokeek Foundation - An educational non-profit organization established in 1957 to preserve a two hundred acre portion of Piscataway Park, a national park on the shore of the Potomac River. - http://www.accokeek.org/