No aliens have not landed in San Francisco, but someone passing the bayfront along The Embarcadero might think otherwise. Standing at 40 foot the Raygun Gothic Rocketship is a pretty impressive piece of artwork on display in the bay city.
Some say the Raygun Gothic Rocketship (RGR) is an 80 year old vessel that has a duty of scientific discovery and exploration. Reports say she has crash-landed on the frozen seas of Mars, gathered specimens from every last one of the 400 volcanoes of Io and charted the caves of Mongo. While others might try and diffuse the myth by saying shiny silver retro themed rocket ship is the work of dozens of bay area artists, but we like the earlier. Hope they brought back some cheese from the moon!
for more info: http://www.raygungothicrocket.com/