Washington, DC (and environs) *
Miami, FL (and environs) *
Kennebunk, ME (and environs) *
Baltimore, MD *
Fort Valley, VA *
New York, NY*
New Orleans/Baton Rouge, LA
Philadelphia, PA
Boston, MA
Davis, WV
Newport News/Virginia Beach, VA
Minneapolis, MN
Iowa Falls, IA
San Francisco, CA (and environs)
Seattle, WA (and environs)
Portland, OR (and environs)
St. Louis, MO
Melbourne, FL

* indicates multiple, non-consecutive nights.
(and environs) indicates significant time spent outside city/town limits but still within general geographic area.

2007 was a huge traveling year for me. I think I've averaged at least one plane trip per month, in addition to land travel.