Departure from Las Vegas 6 days to visit the five major national parks in the West of the United States, explore the 15 wonders of Yellowstone in depth, take a helicopter overlook of the Grand Canyon/kayak tour of Baowei Lake/explore the Antelope Cave at your own expense, two nights at the West Yellowstone Hotel to ensure sufficient tour time, and specially upgrade the accommodation experience of the newly opened five-star hotel in Las Vegas.