Believe it or not, there are some extraordinary natural parks in the US that aren't Yellowstone or Yosemite. Don't let the guidebooks fool you. Just because a park doesn't bring in millions of tourists every year doesn't mean it isn't worth visiting. Some of the most spectacular national parks in the United States are completely off the beaten path.
Check out this gallery to find out all the spectacular secrets hiding in the 10 most unpopular national parks in the United States.