San Francisco was founded on June 29, 1776 when Spanish colonists established a fort and mission. It has grown to be the fourth most populous city in California. Washington Square is one of San Francisco's first parks, established in 1847 in the North Beach district. Some of the most popular tourist destinations in San Francisco include the Golden Gate Bridge, Telegraph Hill, Washington Square, Coit Tower, North Beach, Alcatraz Island, and Chinatown.