to egypt, and comes back. the story is trying to connect him, i think, to the entire ark of the region. >> it's a story that's shared by about half the world. abraham's path will eventually wind through ten countries. our next stop is in the biblical land of kanaan, in what is now israel and the west bank. my guide on this part of abraham's path is an israeli archeologist. >> if somebody is thinking for getting back to roots, coming back to being in touch with god, the visit is always the place. >> it's almost kind of shocking to me that these immense stories that more than, you know, two, three billion people believe in, christian, jew, muslim, there's not a rock that connects them. you're an archeologist. doesn't that sort of trouble you? >> of course, i would love to have much more concrete remains