The Hoover Dam Classic Tour offers ample time for exploring this National Historic Landmark and engineering wonder of the world. Drive through beautiful historic Boulder City and a walking tour along the top of the Hoover Dam. You’ll also encounter dramatic views of both the Colorado River and Lake Mead, the largest man-made body of water in the Western Hemisphere. This tour uses a 10-passenger Tour Trekker, a vehicle specifically designed for sightseeing and off-road adventures.