In 1968, John Milkovisch, a retired upholsterer for the Southern Pacific Railroad, decided he "got sick of mowing the grass," at his Houston home. So he laid marble, rock and wood into landscaping features. Not wanting to stop there, Milkovisch then covered his house with aluminum siding made entirely of flattened beer cans. Over 18 years, he attached an estimated 50,000 beer cans, including beer-can garlands that hang from the roof and sing in the wind. Why? We're not entirely sure, but Milkovisch said on the house's website, "I guess I just thought it was a good idea. And it's easier than painting." He said he's tickled with people who drive around the block a few times, then return with a carload of friends. Take a group to Houston and pay him a visit.