Question: Which quirky Seligman burger joint features a prank door handle, a “Sorry, we’re open” sign and menu items like a “cheeseburger with cheese”?

Answer: Delgadillo’s Snow Cap Drive-In. Opened in 1953 by Juan Delgadillo using railroad scrap, it’s now a kitschy roadside stop along Historic Route 66 known for practical jokes and classic burgers and milkshakes.