Luke: I bet it's really cool old magazines.
Phil: Yeah. Or a bunch of necklaces made out of animal teeth.
Luke: Or bugs frozen in amber.
[cut to:]
Phil: What if it's really expensive bottles of wine?
Luke: Or a suit of armor.
[cut to:]
Phil: What if there's ancient Indian arrowheads under there?
Luke: What if it's gold bars?
Phil: Oh, you think?
Claire: For God sakes, why don't you go under the house and look?