tours of the hoover dam
Hoover Dam Tours. The Hoover Dam is a worldâfamous concrete archâgravity dam that is located 30 miles southeast of Las Vegas on the border between Nevada and Arizona. It impounds the mighty Colorado River in the Black Canyon. The dam was designated a National Historic Landmark by congress in 1985.
Hoover Dam Tours. Attracting more than one million visitors a year, the Hoover Dam is considered one of the Top 10 Construction Achievements of the 20th Century and is a recognized National Historic Landmark.