I've done that too. And you're right, it does add a dimension to the hobby. For a time, I would return home and locate the site on Google Earth, mark and rate it in the notes. Maintained a 'basher journal' listing the states I had run Rusty in.
Lately staying close to home and running the...
I like running industrial areas. Generally, they are lightly populated and for the most part vacant on weekends.
Anymore, I stay away from tracks. All got too big and the driver stand too high for casual running and self marshalling on a weekday.