You have to feel like you're on the right track as a parent when you visit Arizona's Meteor Crater, and your three-year-old boy takes one look and asks if he can ski it. The answer to that question is a big, "Weather Permitting." With the Crater's rim around 5600', it would definitely take an unusual series of storms to make any kind of ski descent feasible.
Even if skiing is on hold until the next ice age, Meteor Crater remains a dang good place to visit. Nearly a mile across and 550 vertical feet deep, the crater was formed about 50,000 years ago when an asteroid estimated to be about 150 feet across whomped into the desert at 26,000 miles per hour. Maybe Chicken Little wasn't so crazy after all?