Winterthur Museum, Garden & Library
- Country estate in the Brandywine Valley, with expansive landscaping and the Enchanted Woods children's garden.
- http://www.winterthur.org/

University of Delaware Botanic Gardens
- Includes descriptions and photos of plants and trees, a virtual tour, information on the volunteer and internship programs, and a brochure for the benefit plant sale.
- http://ag.udel.edu/udbg/