Here are the cities in which I spent at least one night during 2006:
Alcoa, TN
Alexandria, VA
Birmingham, AL
Chandler, AZ
Baltimore, MD
Detroit, MI
Flagstaff, AZ
Gray, TN
Holland, MI
Lexington, VA
Louisville, KY
Owensboro, KY
Stamping Ground, KY
Woodbridge, VA
c.f. my 2005 list