[what he says is even more intriguing.]

Oh, Jerusalem. I know where that is — more or less. [now, that’s a name she does recognize.] Though I’m not sure such a thing was ever uncovered in the world that I come from.

[they’d hear about it, certainly? even if vaguely, if generally; something that was made far away, and a very, very long time ago? hm.]

Are you a treasure hunter, then?

[not quite what he described, but this is maybe a mystery she can get more concrete answers to.]