Not part of "66", but along I-40 which was part of the old Rte66. Moriarty NM, 0E0, has a soaring museum.
Santa Rosa NM, SXU, the runway is part of the old Rte 66.
Winslow AZ, along I-40 used to have a great Mexican Restaurant on the field.
Seligman AZ, P-23, Nice old town on the Rte.
Williams...