San Francisco was founded in 1776 and was the site of Ohlone villages when the Spanish first visited the area in 1769. Alcatraz Island in San Francisco Bay was used for a lighthouse, fort, military prison, and federal prison before being occupied by Native American activists in the late 1960s and becoming a national recreation area. Washington Square Park in New York City is a landmark in Greenwich Village known for its fountain and as a place that celebrates nonconformity.