Three U.S. national parks you haven't heard of
We've all heard of the Grand Canyon in the U.S., and many of us dream of visiting it on our first trip to America. What about the second or third or fifth trip? We have gathered information for you about three national parks that will impress you: one with dozens of lakes, mountains and waterfalls, the other with a red canyon, and the third with an extinct volcano crater. In this article, we will only talk about parks, which can be reached on their four wheels. The entrance to almost all parks is paid...