Location: Fort Greene Park, Brooklyn, NY 11205 (accessible via S Portland Ave). Significance: It serves as a memorial for 11,500 American prisoners of war who died on British prison ships during the Revolutionary War. Structure: A 149-foot high Doric column designed by architect Stanford White, dedicated in 1908, sitting atop a crypt holding the remains of the martyrs. Features: Located on a hilltop, the plaza offers expansive views, is a popular spot for fitness, and hosts community events.