In California the road crosses the Mojave Desert, from the Colorado River at Needles past Barstow to the Cajon Pass, with Harvey House railway hotels, ghost towns and long empty stretches where the old two-lane highway runs beside the interstate.
Oklahoma has more miles of drivable Route 66 than any other state, and its small towns keep museums, cafés and motels from the road's heyday. Missouri brings the road out of St. Louis into the Ozark hills, past show caves and painted murals.
US 66 was created on 11 November 1926, so 2026 is the road's centennial, with events in towns all along it.