The Alexander Graham Bell National Historic Site is a 10-hectare (25-acre) property in Baddeck, Cape Breton, Nova Scotia, Canada, overlooking the Bras d'Or Lakes. The site includes the Alexander Graham Bell Museum, a unit of Parks Canada, which is the only museum in the world containing the actual artifacts and documents from Bell's years of experimental work in Baddeck. This site was designated a National Historic Site of Canada in 1952.