High Scalers drill into the canyon wall 500 feet above the Colorado River in Black Canyon at the Hoover Dam site. April 1, 1932. Bureau of Reclamation. Even under the best of conditions ...

Sitting about 35 miles southeast of Las Vegas, the Hoover ... Dam tours cost $30 per person and include access to the visitor center, among other areas of the facility. Top of the Dam: This open ...

the Hoover Dam and the Colorado River on this small-group tour that's capped at 10 participants. You'll get picked up from your Las Vegas hotel in one of the company's air-conditioned "Tour ...