Main Post Walk: 200 Years of History and Architecture (Updated: May 2011) The Main Post Walk is a self-guided tour around the Main Post area of the Presidio of San Francisco and focuses on the Spanish to U.S. military periods.
This self-guide publication takes you through the history of Fort Mason from the 1860s to present. Learn about the buildings that reside at the Park Headquarters and their significance to the Marina area.