An Aerial view of the San Francisco Bay Area, with the Bay Bridge and part of San Francisco. An Aerial view of the San Francisco Bay Area, with the Bay Bridge. An aerial view of Treasure Island, the Bay Bridge (with the new span under construction), and part of San Francisco. An aerial view of San Francisco, the Bay and Golden Gate Bridges, and the Marin Headlands. An aerial view of Treasure Island, the Bay Bridge (with the new span under construction), and Alcatraz (upper left corner). Planes in flight over the San Francisco Bay Area. An aerial view of Berkeley, Oakland, Alameda, and toward the South Bay at dawn. An aerial view of Alameda, Oakland, and Mount Diablo in the distance at dawn. The new San Francisco Bay Bridge in construction next to the existing bridge, early October 2006, with part of Treasure Island at the bottom. Paradise Beach State Park in Marin County, looking across the San Francisco Bay to Richmond. Paradise Beach State Park in Marin County, looking across the San Francisco Bay to the Richmond/San Rafael Bridge. A view of the San Francisco East Bay region, looking toward Mount Diablo. A view of the San Francisco East Bay region, looking toward Mount Diablo. An aerial view of the East Bay, with Mount Diablo in the background. An aerial view of the East Bay, with Mount Diablo in the background. An aerial view of Oakland and Emeryville, with Lake Merritt. An aerial view of Oakland, Berkeley, Emeryville, Alameda, and surrounding areas. Aerial view of the East Bay, including Lake Chabot. Aerial view of the East Bay, including Lake Chabot. Aerial view of the East Bay, including Lake Chabot.