National Lampoon’s Vacation Movie Review: West Coast’s Walley World theme park is the holiday destination for the Griswold family. They intend to drive cross-country from their Chicago base. Father Clark (Chevy Chase) plans the trip down to its last detail, but the trouble begins as soon as they start their journey. Unexpectedly forced to share car space with grumpy aunt Edna, and missing out on their chance to see the world’s largest ball of twine, their woe is complete when they arrive at Walley World – to find that it has closed down