States I've lived in:

Ohio
Maryland
Illinois
California
North Dakota
Florida

States I've visited (more than just passing through on the way to someplace else)

Pennsylvania
West Virginia
Virginia
New York
New Jersey
Delaware
Massachusetts
New Hampshire
South Dakota
Minnesota
Indiana
Michigan
Kentucky
Tennessee
North Carolina
South Carolina
Georgia
Nevada
Utah
Arizona
New Mexico
Nebraska
Alabama
Louisiana
Colorado

Countries I've visited:

Canada
Italy
Holland
Austria
Spain
(and 12 hours in Paris, does that count? we're going to France again, soon)