On U.S. 50 near Middlegate, Nevada, blink and you'll miss a cottonwood tree with some distinctive decoration. It's called (cleverly) the Shoe Tree, and more pairs of shoes than you can count hang from its branches. Tourists and locals alike drape the tree's branches with footwear of all kinds. Highway 50 is often called "the loneliest road in America," so a stop at the Shoe Tree might give you a taste of the social interaction you just might need at this point in your road trip.