We hope that you're wearing your tinfoil hat to celebrate World UFO Day which is held each year on July 2nd, the approximate date that an alien spaceship crashed in Roswell, New Mexico. Although a spokesperson…

UFO! UFO! UFO! http://gss.st/2yC #ufoalert #streetview

Low flying UFO captured on #googlemaps http://gss.st/2my

This is either a UFO, or the Niterói Contemporary Art Museum in Rio, Brazil http://gss.st/2lg #streetview via @neogeografen

With a very-low public art budget you get a rocket made from a toilet roll and a UFO made from two bowls http://gss.st/tN #streetview

Who wouldn't want to live in a UFO-shaped house? http://gss.st/5F See more UFO houses on our blog http://gss.st/69 #streetview