Summer vacations are a time of exploration and relaxation. Whether plans include relaxing on white sand beaches along the coast or hiking through the wilderness in one of the country’s more than 400 national parks, every vacation can be hampered by one thing; crowds. Too many visitors can make it hard to enjoy the views, find a place to unwind, or even catch a chance to think. Fortunately, for every overcrowded beach or packed trailhead, there is often a quieter, less-explored alternative nearby. Those hoping to make the most of their days off can check out one of these less-crowded vacation spots and ditch the masses in favor of a…