Pershing Square: Presidio Cannons (U.S. National Park Service)

Historical Landmark Cannons Around San Francisico Bay

Historical Landmark Cannons Around San Francisico Bay

Presidio Art Hike in San Francisco

Park Archives: Presidio of San Francisco

Pershing Square, Presidio Picnic Sites

Pershing Square (U.S. National Park Service)

Hotel History in San Francisco, California - Inn at the Presidio

Hotel History in San Francisco, California - Inn at the Presidio

Fort Point - Presidio of San Francisco (U.S. National Park Service)

The Wandering Cannon - OpenSFHistory - Western Neighborhoods Project

The Presidio

Visit to San Francisco's Presidio – what to do and see at the Presidio - DW

Presidio and Yosemite National Park