Ben Stiller Isn't Running Wild With Bear Grylls -- He's Climbing Scared! See His Epic Ascent HERE!

Before Bear Grylls gets his paws on Channing Tatum, he’s endangering the life of the original male model, Derek Zoolander!
On Monday night’s episode with Ben Stiller, the funny man has a tough time keeping in good humor while he’s trying to survive the climb of his life!
Ch-ch-check out the video (above) to see the Night At The Museum star spend a day on the side of a mountain.