BART (San Francisco Bay Area, California). Almost as good as the tube ;-)
11 Romantic Things to do in the Bay Area
San Francisco. This view makes my heart flutter every time!
San Francisco❤ The San Francisco Bay Area from space via NASA
19 things you don't understand about Oakland (unless you're from there)
view of downtown san francisco from across the bay
A BART train coasts through Oakland on the first day of operation. "The first train was packed," a rider recalls. Photo: Charles B. Peterson, The Chronicle / SF
Vein by artchang, via Flickr: The bay bridge going west from Oakland to San Francisco is a fantastic sight at sunset during rush hour. Red tail lights only makes for quite a scene.