Grand Teton National Park in Wyoming Grand Teton National Park is one of the most breathtaking destinations in the American West, offering dramatic mountain scenery, crystal-clear lakes, and extraordinary wildlife. Spanning more than 310,000 acres just south of Yellowstone National Park, the park is famous for the dramatic, snow-capped Teton Range. Grand Teton National Park in Wyoming Often overshadowed by nearby Yellowstone National Park, Grand Teton is truly a hidden gem fi