Yellowstone National Park, the America's first national park that was designated in 1872 boasts the largest geyser collection in the world including Old Faithful and is located in the U.S. states of Wyoming, Montana and Idaho. Containing over 2 million acres, Yellowstone National Park is home to the largest high-altitude lake in North America and one of the biggest petrified forests in the world. A UNESCO World Heritage Site, the park also features 290-plus waterfalls, more than 70 different mammals, 322 bird species, 1,100+ plant species, 12 campgrounds and 9 visitor's centers. There are plenty of bus, snowmobiling, hiking, bird watching, and horseback guided tours in Yellowstone National Park. A Yellowstone tour will bring you to popular sites such as Old Faithful Geyser, Yellowstone Lake, Mammoth Hot Springs, Grand Prismatic Spring, and much, much more! With so much to see and do, you'll need multiple days to explore this amazing national park with a Yellowstone vacation package.