Mount Harmon Plantation 
600 Mount Harmon Rd.
Earleville, MD 21919
410-275-8819
http://www.mountharmon.org/
Botanical Garden: History, Walk
Mount Harmon features a restored 18th century manor house, colonial kitchen, formal boxwood garden, tobacco prize house, 200-acres of pristine open space, nature trails, and a spectacular waterfront setting.