From the discussion on Bietz’s site, here are all the states I’ve visited:
create your own personalized map of the USA
A swing through New England and the deep south and I’m set. For good measure, here is Canada:
create your own personalized map of Canada
In the interest of full disclosure, my trip to Quebec consisted of walking over the bridge from Ottawa to Hull and walking back. My trip to Alaska was a stop over on the way to Japan, and my trip to Arizona was a layover on the way to LA. I did drive through a good chunk of Deleware from Philly to DC.
They have a map option for nations also, but some of the ones I’ve visited aren’t very big, so don’t really show up. Here’s a complete list of those:
Make your own map here.