11-Day Yellowstone, Antelope Canyon, Yosemite and Grand Canyon U.S National Park Centennial Tour from Los Angeles/Las Vegas

Overall the trip was good and economical. There were few glitches down the road though. The trip was divided into 4 different tour guides and buses. One of the buses broke down at Yellowstone so we had to wait 8 hours before we got a replacement. Our last bus driver drove rashly and recklessly, and had the bus full of cigarette smoke smell due to w...