Fort Greene Historic District is a national historic district in Fort Greene, Brooklyn, New York, New York. It consists of 1,158 contributing buildings, two contributing sites, one contributing object, and two contributing structures. It is characterized by a concentration of architecturally distinguished three and four story townhouses developed speculatively and built between 1840 and 1890. Most are faced in sandstone and exhibit characteristics of the Greek Revival, Italianate, Second Empire, and Neo-Grec styles. It includes a 33-acre park designed by Frederick Law Olmsted and Calvert Vaux in 1868. In the park is a column memorializing Revolutionary War soldiers (Prison Ship Martyrs' Monument) that was designed by McKim, Mead, and White and erected in 1908. The park was built on the sit