Here are a few close-up shots of my office wall map, tracing the routes that I have traversed on trips over the past years. These lines are pretty accurate, but are mostly done from memory after I return, so some lines may be slightly off.
These are quite large (2272x1712) and may take a little while to download over a slower connection.
The Eastern half of the US
The Western half of the US
The Appalachian Mountain area
The Four Corners States
The Northeast (New England) area
The Ozarks region (Missouri and Arkansas)
The Around the Lakes area