Ranger Thomas Downs leads a group of visitors to a point above San Pablo Bay in Sausalito, California. Gesturing toward the Pacific Ocean, he clearly enjoys himself as he exclaims, “There's the Golden Gate Bridge!” The kids in the group grin at a California gray whale breaching in the distance. The four main bays that make up the San Francisco Bay estuary can all be seen from here: San Pablo, Suisun, Central and South Bay. The entire San Francisco Bay, including its famous bridges, is visible, and the whale is spectacular. This view is possible from only one vantage point on Earth: ... Read More