The Presidio was once a U.S. Army military fort and is now part of the Golden Gate National Recreation Area. At the heart of the Presidio, Main Post hosts museums art and a large grassy area perfect for a picnic. Crissy Fields is a great starting point to bike, walk, or drive across the Golden Gate Bridge. The Southern Wilds of the Presidio is the place for hikers. Escape from the center of the city and look for a new adventure in the Presidio.