America's first national park, Yellowstone, was founded in 1872, establishing a grand tradition of protecting and maintaining the country's natural wonders and historical sites. Today, the U.S. National Park Service continues to grow — the youngest of the 59 federally protected areas was created in 2013. These sites preserve and highlight the stunning beauty to be found in America. From the towering mountains and magnificent glaciers of Alaska to the vast Everglades of southern Florida, America's national parks are definitely bucket list material. While each has its own unique draw, we've chosen 10 of the best that offer rich and varied natural experiences, unparalleled scenery and exciting activities.