Ever want to take a flying car trip on Mars? Well, now you can. A couple of years ago, some geo geeks worked with NASA to produce an amazing video of what it would look like to fly over the biggest canyon on Mars (and indeed in the solar system): Mariner Valley. The CGI is terrific, and there's a voiceover explaining all the cool shit you're seeing. Definitely worth a peek as you wait for the Phoenix Lander to land on Mars on Sunday. [Fly Over Mariner Valley via NASA]