The blinding light display in “National Lampoon’s Christmas Vacation” dazzled the Griswolds and nearly broke the power grid. What would it cost, and how much power would it really need?

In the 1989 holiday film “ National Lampoon’s Christmas Vacation,” Griswold, played by Chevy Chase, covers his home with 25,000 imported Italian twinkle lights.

An incredible light display shows one homeowner's take on "the Griswold House." Credit: April Hutchinson via Storyful ‘Griswold House’ Christmas display lights up neighborhood ...

Just a year after facing-off with city officials over the "National Lampoon's Christmas Vacation" themed decorations, Jeff Norton's house is once again adorned with thousands of lights and props ...

A Kansas man has tapped into his inner Clark Griswold, decorating the outside of his home with tens of thousands of Christmas lights.

In the 1989 holiday film “ National Lampoon’s Christmas Vacation,” Griswold, played by Chevy Chase, covers his home with 25,000 imported Italian twinkle lights.