Quote from Phoebe in The One with the Dollhouse
Phoebe: Maybe it's so big because the house was built on radioactive waste. Chandler: And is this in case the house sneezes? Phoebe: No. No, that's the ghost for the attic. Monica: I don't want a ghost. Phoebe: Well, nobody wants a ghost. But you've got one because the house is sitting on an ancient lndian burial ground. Ross: Wait a minute. The house was built on radioactive waste and an ancient lndian burial ground? That would never happen. Phoebe: Okay, obviously you don't know much about the U.S. government.