Collingwood Library and Museum On Americanism is situated on the beautiful Potomac River right off of the George Washington Memorial Parkway. Collingwood has amazingly beautiful grounds with colonial buildings, well kept gardens, and a waterfront view. The estate has gone through many changes of hands through out its many years and once belonged to George Washington as a part of his River Farm. Other historic figures that have graced Colllingwood with their precence are Captain John Smith and Jim Bowie. The Library holds 7,000 volumes on American history. Collingwood has also just recently complete its newest addition to the grounds, the New American Legacy Center which can seat about 200 guests. Collingwood is the perfect place to host weddings, banquets, and other social functions.