We travel the United States for work, and this has allowed us the time to enjoy seeing the National Parks and NPS sites. We always make plans to see one or two each trip we take. We have now visited 183 NPS Units including 25 National Parks. Where will our next adventure take us, keep checking back to see. Our lofty goal is to see all 433 units. The map above are States that we have been to all units of the NPS in that State.