Fort Williams Park is a 90-acre historic site in Cape Elizabeth, Maine, home to the iconic Portland Head Light, constructed in 1791 at the directive of George Washington. The park encompasses the decommissioned United States Army post Fort Williams, which operated during World War I and World War II, along with the 1853 Goddard Mansion ruins. Situated at scenic 1000 Shore Road, the park offers numerous gardens, walking trails, picnic areas, the Portland Head Light Museum, and attractions for families including a children's play area and an off-leash dog walking area. The site attracts nearly one million visitors annually.