Sitting about 35 miles southeast of Las Vegas, the Hoover Dam spans the Colorado River and the Black Canyon (which separates Nevada and Arizona). The immense concrete structure – which confines ...

Major John Wesley Powell makes the first recorded trip through the Grand Canyon ... dedication of Boulder (Hoover) Dam. Officially declaring that the dam at Boulder Canyon be named Hoover Dam ...

The company also offers a popular Grand Canyon West tour that departs from Las Vegas. Take in views of Lake Mead, the Hoover Dam and the Colorado River on this small-group tour that's capped at 10 ...

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 ...

FLAGSTAFF, Ariz.—The Federal Energy Regulatory Commission has accepted a preliminary permit application for a 24-story dam spanning the Little Colorado River gorge on the Navajo Nation. The proposed ...