Longhorn Grill, Amado, Arizona "Alongside Interstate 19 slightly south of Tucson, the skull was built sometime in the early but locals are strangely mysterious about its origins. It's attached to an adobe building that is occupied by a bar and restaurant"
Just an exit away off the Ventura Freeway sits the oldest Bob's Big Boy restaurant in Burbank, California. Built in the diner features coffee shop architecture, an oversized roof and curved windows. Its glowing neon sign stands 70 feet tall.