“That is a mastodon bone that we dug that out of the pit,” says Jack. “We actually have mastodon tusks, too; but that’s a hip bone right there. There are some other bones from camels, horses and everything. They come out of our pit.” (Photo: Discovery) Watch full episodes, Set Your DVR and Add to Queue here. The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.