Witness a man-mad marvel in southern Nevada.
Southern Nevada's most famous tour destination, Hoover Dam, is located 30 miles southeast of Las Vegas on U.S. Highway 93 at the Nevada-Arizona border. Construction on the dam began in 1933 and today, it is one of the most visited dams in the country. It is also a National Historic Landmark and is recognized by the American Society of Civil Engineers as one of America's Seven Modern Civil Engineering Wonders. Tours of the dam and power plant are offered.