We have taken both the AZ-260/87 route to Winslow and the AZ-260/US-60 route to Socorro. Pie Town and the Very Large Array on US-60 have already been mentioned.
Homolovi Ruins State Park which has a nice campground is near
Winslow where you can stand on the corner.
Meteor Crater and
Petrified Forest National Park are not far from the Arizona/New Mexico border.
In Grants, there is the
Mining Museum. Just South of I-40 going West from Grants are
El Malpais National Monument,
El Moro National Monument,
El Malpais National Conservation Area,and the
Ice Cave and Bandera Volcano.
Acoma Sky City is said to be the longest occuppied location in the U.S.
