Take in unique and beautiful views of the Black Canyon, the Colorado River, inside the Hoover Dam, and below and above the dam as well. Learn about the fascinating history of the concrete cavity arch dam that took over five years and nearly 50 million dollars to complete. Learn all about the history of the storied and enormous Hoover Dam as you visit the Hoover Dam visitor center and then finally the Hoover Dam Museum in Boulder City. Venture across the astounding second-highest bridge in the USA, the Mike O'Callaghan-Pat Tillman Memorial Bridge, and take in the breathtaking views of the Black Canyon of the Colorado River and the massive Hoover Dam from above. Experience the Hoover Dam on a guided walking tour as you set foot on top of the Dam constructed by thousands of workers during the Great Depression. Marvel at the Hoover Dam from below, then discover the power plant and generator rooms that provide large amounts of power for parts of Nevada, Arizona, and California.