Yellowstone National Park is the world’s original national park, renowned for active geysers, colorful hot springs, and abundant wildlife roaming a vast high plateau. Witness Old Faithful erupt, stroll boardwalks past steaming geothermal features, and photograph the rainbow hues of Grand Prismatic Spring. Beyond hydrothermal wonders, explore the Grand Canyon of the Yellowstone, with thundering Lower Falls, and look for bison, elk, wolves, and grizzly bears in Lamar Valley and Hayden Valley. With hundreds of miles of hiking trails, scenic drives, rivers, lakes, and diverse ecosystems, Yellowstone delivers four-season adventures—from summer wildlife safaris to winter snowshoeing and cross-country skiing. Base your trip around classic lodges, campgrounds, and gateway towns while planning responsibly for wildlife safety and geothermal area etiquette. For travelers seeking dramatic landscapes, unforgettable photography, and iconic geology, Yellowstone is an essential American experience.