While in New Mexico, Andy and Charlie find a man suffering from starvation and exposure. He gives them a map that they follow and find an ice cave in the middle of a dormant volcano. While exploring the cave they are captured by a tribe of prehistoric cavemen who have carved a city out of the ice.; Andy and Charlie go on a picnic, but are harassed by bugs, a raccoon, and a bear.; Andy and Charlie both try to scare the other by diving off a pier and pretending not to come back up.; After Andy stumbles and his new teakettle rolls into the street, he picks up the dented kettle and sells it to an antique dealer.; The operator of a steam shovel doesn't take kindly to Charlie's criticism.