[Kirk Langstrom is known for many things. "Living a little," even before his little bout with vampirism, was never one of them.

Admittedly, he does crane his neck somewhat to get a better view of the treasure inside the moment Jane goes through it. He's not immune to living, after all...]

Maybe it was left by aliens, and because they found the potato buried in the ground they thought it must be worth something.

[A very, very bad joke.]