Hoover Dam was (and remains) an incredible feat of engineering, built around 30 miles (48km) east of the bright lights of Las Vegas. Completed in 1935, it saved the surrounding farmlands from frequent flooding by the Colorado River, but saw a death toll of at least 96 during its construction. Today, the dam attracts thousands of tourists who marvel at its sheer scale and discover the part it played in the development of Sin City and the field of engineering.

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