I KNOW!
It's a waterslide!!
Boy, we've REALLY got to get there now; there's already a waterpark built. Right there at the base of the crater, too. Plenty of good, flat territory around for local hotels, restaurants, a mini golf course, full-blown five-start resort and spa, big PGA course...
And a spaceport -- can't forget the spaceport.
Oh, man, my internal real estate investor is goin nuts!
Maybe Art Linkletter can get a second chance...
Just think how far you could throw a snowball!
Football on Mars, basketball on Mars ...
... and it's a loooong hook shot, looping over Deimos, banking off Phobos, back down and ... nothing but net!! An incredible shot!!