We all know that national parks are the busiest during the summer months with everyone on summer vacation. And these days people are opting for more “stay-cations” in the US than traveling abroad. But, I’m not sure if anyone was expecting Yellowstone to break through their record this early in the season. Either way good news for them! And if you’re headed that way, just know that it’s going to be a crowded summer. See my post on some of the least visited national parks if you’re looking for more of a quieter vacation.