PLANES, TRAINS: Steve Martin and John Candy star in John Hughes' classic tale of holiday travel gone awry; NATIONAL LAMPOON'S VACATION: Everything is planned, packed - and about to go hilariously wrong. The Griswolds are going on vacation. In the driver's seat is Clark Griswold (Chevy Chase), an Everyman eager to share the open road and the wonders of family togetherness. Myriad mishaps, crude kin (Randy Quaid), encounters with a temptress (Christie Brinkley), financial woes, Aunt Edna (Imogene Coca) on the roof, one security guard (John Candy) and 2,460 miles later...;EUROPEAN VACATION: Chevy Chase and Beverly D'Angelo return as Clark and Ellen, winners of a European tour on which their teenagers Rusty (Jason Lively) and Audrey (Dana Hill) join them. Deluxe accommodations.aren't. Clark tries left-sided English driving, leaving Stonehenge unhinged.