now, a lot of people look across canyon land, say, in southeast utah where this picture is, and it's not really clear how you get around, how you get from place to place. but if you know this place well enough you know right over this lip of white sandstone, if you go right over the ledge and hang your foot over this side, you can't see it but you can feel it with the tip of your foot, there's a little toe hold down there, then if you get on that toe hold you drop your other foot down and there's another toe hold. it happens a thousand years ago somebody carved just a series of toe holds down this rock face. and you climb down those and they lead to a ledge and the ledge wraps around underneath here and it drops down into another spot that you go through a saddle and around to the other side and through another saddle and down and around. it's this circuitous route that's constantly carrying you down deeper and deeper and this is the landscape is just covered with these. i don't take maps out there any more out into this place because it's all memory. this place is the map. i went do

southeast need to be on alert for severe weather, including tornadoes and hail. ginger zee, abc news, new york. >>> here's the rest of your monday weather. heavy mountain snow in utahdo and idaho. snow from boston's afternoon commute. a rainy week in seattle. pleasant, though, in southern california. >> a mild 48 in chicago. get this, it will be 62 there tomorrow. >> goodness. >> nice roller coaster there. also orlando is in the low 80s. denver and albuquerque in the mid 50s. anchorage in the single digits. >>> and here's some evidence that they are getting crazy from the cold in madison, wisconsin. a guy just set a new world record for doing the fastest wheelie on ice. >> and yesterday's attempt, he was clocked at 108.5 miles per hour, riding on just his rear wheel. it's all possible because the rear wheel has these special studs on it to keep it from slipping on the ice. >> the rider broke his own record, 95 miles per hour. he set that last year. >> it looks a little dangerous. >> didn't which just do a story about people falling into the ice? >> it looks dangerous to me. >> better you than me. >> i don't get that one. it's kind of cool, though. >> props for the