While set in a snowy suburb of Chicago, Christmas Vacation was lensed primarily ... unrecognizable from the time that Clark W. Griswold (Chevy Chase) hung lights there in 1989.

If you catch the beginning of the 30-minute light show, you might recognize a famous scene from "National Lampoon's Christmas Vacation" that ... when Chevy Chase's Clark Griswold unveils his ...

Many of your Christmas decorations will also tie into the theme -- like Christmas lights ... Mix or a Clark Bar for an extra festive touch. Hosting a National Lampoon's Christmas Vacation themed ...