Walkers can step back into Hoover Dam history while getting some of their daily steps in Boulder City. The town, about a half-hour south of Las Vegas, helped build Hoover Dam. A self-guided walking ...

Hoover Dam stands today as one of the ten greatest Civil Engineering feats of the 20th Century. When built, it was the tallest dam in the world and was surpassed in size only by the pyramids of Egypt.

Andrew J. Dunar teaches history at the University of Alabama in Huntsville. He is the co-author of Building Hoover Dam: An Oral History of the Great Depression. He answers a few questions about major ...