It's known as "Steel City Christmas" and a family in Pittsburgh makes this their annual hobby. Apparently, this over-elaborate display of holiday cheer is planned all year long, and is enough hijinx to land them on the usual round of TV talk shows & cable compilation shows with names like Wackiest Holiday Decorations and Biggest Waste of Electricity During A Recession.
What do you think happens when someone cranks up a hair dryer or a blender??
Sure must get quite psychadelic if you're doing a driveby.