I have ridden over 23,000 miles since retiring and buying my 2000 Interstate in March and have been in 32 states and two different providences in Canada. What a summer!!!! I'm not through riding by any means. I plan on going to Prairie Du Chein the middle of this month and still considering going to Arizona and the Grand Canyon after that.
Glad to read you're having so much fun.
If you can squeeze it in, do hwy 70 from Grand Junction CO to Hwy 15 north of Los Vegas - it's spectacular! (And take pics. I rode that route and didn't have time to take any....)