Perfect for road trips, Arizona is where Native American history comes to life. This American state is home for a number of unique natural wonders, which have transformed through years into very popular touristic destinations. Among them are the Grand Canyon, Monument Valley, Superstition Mountains, Sunset Crater, Saguaro National Park, Lake Powell, Rainbow Bridge and many others. The Grand Canyon alone attracts about five million visitors per year, and it doesn’t take long to understand why: this is where nearly two billion years of Earth’s geological history exposed to view of the people, while the Colorado River was making its way through layer after layer of rock. The secret of Grand Canyon’s majestic beauty is the unique combination of geologic color and erosional forms which created the most mysterious and striking landscapes on the planet. But it’s not only Grand Canyon (which is, undoubtedly, a number one attraction of the area) what Arizona’s worth visiting for.