San Francisco Seacoast Defenses Learn how San Francisco Bay has been defended for over 200 years. more...
Presidio of San Francisco Learn about the military post that was first established by the Spanish. more...
Self-Guided Tours Download a copy of our Self-Guided booklets. more...
Did You Know?
Alcatraz Island is the site of a large colony of Western Gulls (Larus occidentalis), the gull species that inhabits the Oregon and California coast. Individuals mate for life and come together each year on Alcatraz to defend their historic territory and raise three chicks.