Question: A former United States Army fort in Cape Elizabeth, Maine which was part of the coastal defenses and redeveloped into an 90-acre park encompassing historical sites is most famous for what?
Sentence (from "Fort Williams Park"): Perhaps most famous for having Portland Head Light on its grounds, the park also encompasses the decommissioned and largely demolished United States Army post Fort Williams, which was operational during World War I and World War II.
Relevant evidence: Yes