The longest (and most expensive) bridge in the world when it opened in 1936, the Bay Bridge was first proposed by self-proclaimed "Emperor Norton I" in 1869.
Union Square is a haven for shoppers: look in any direction and you will see upscale department stores. Nearby, visitors can hop onto a cable car on Powell Street.
A great "Hey, I'm in San Francisco" photo opportunity to be had here. Also lots of great restaurants and entertainment within walking distance.
