Grand Canyon South Rim Bus Tour with Optional Upgrades. Explore the Grand Canyon National Park on this guided, full-day sightseeing adventure tour around the South Rim. Beginning in Las Vegas, travel to the Grand Canyon’s South Rim and the National Geographic Visitor Center. See panoramic views from various lookout locations while learning about the history and geology of the canyon from your guide. Upgrade to include an IMAX movie and/or 2-hour tour of the canyon rim by Jeep or a scenic helicopter flight. Lunch and a Las Vegas hotel pickup and drop-off are included. Book this Tour and Save 54%! Grand Canyon South Rim Bus Tour with Optional Upgrades.