CNN Anderson Cooper 360 June 15, 2013 07:47:00
Our cnn crew is the only television crew allowed on this site. we've agreed not to reveal the exact location. >> reporter: miles down an unpaved path in wyoming to a top secret and remote location pete larson escorts us to, the first of a kind find. >> there is a bone over here. >> reporter: bones skulls, jaws, jutting out of millions years old earth. i'm worried i'll step on something. >> if you step -- the white is okay. that's obviously a rib bone. >> reporter: this is a rib bone? >> yeah. >> reporter: is that a tooth? >> it's a horn. >> reporter: that's a horn. >> it's the try isarstops. l...