1. Lights for a Cause
Out of all the over-the-top homes on our list, this one just might take the cake. With lights so plentiful you can't even see the house under it, this home in Ontario donates money from visitors to SickKids, a children's hospital in Toronto. MORE: World's Wildest Holiday House Displays II
2. Spell It Out
Nothing says Joyeux Noel quite like...huge, LED letters literally spelling the words out on your front lawn. This house in New Castle, Delaware, gets the message across loud and clear. RELATED: World's Wildest Christmas Trees
3. Can You Count to a Bazillion?
Gary Slater's decorating tradition began in 1996 and continues to grow each year. The Livonia, Michigan, display-fondly known by neighborhood kids as "the house with a bazillion lights" - includes 32 mini trees, over 40,000 lights, and is synced to holiday music. For more information, visit bazillionlights.com RELATED: The Most Unique DIY Wreaths
4. Christmas Canals
Who needs streetlights with a house this bright? This Venice, California, home is shown reflecting its awe-inspiring amount of twinkling lights on the Venice Canals.
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5. New York Lights
The Garabedian Family in the Bronx, New York, have a 30-year-long tradition of decorating their holiday home with everything from a life-size nativity scene to Disney's Beauty and the Beast. The place features nearly 200 animated figurines, all wearing handmade costumes and programmed to "dance" to festive holiday music. Due to the labor-intensive process of creating the display, many of the figures are left up all year. For more information, visit newyorkchristmashouse.com MORE: World's Wildest Holiday House Displays
6. Christmas Fortress
Dominic Luberto's home in Jamaica Plain, Massachusetts, causes quite a stir; especially among neighbors who don't care for the bright lights. Luberto's lights aren't without fans, though. Local news stations have covered and photographed the place for special holiday coverage. The yard featured everything from traditional snowmen to Winnie-the-Pooh figurines. More from thisoldhouse.com: TOH Top 100: Best New Home Products 2011 24 Quick and Easy Holiday Home Upgrades Budget Fixes for Drafty Windows ENTER THE 2011 TOH GINGERBREAD HOUSE CONTEST