DAM it
Hoover Dam was the greatest dam of its day and is still a world-renowned structure considered one of America's Seven Modern Civil Engineering Wonders. It provides water to more than 18 million people in Las Vegas, Los Angeles, San Diego, Phoenix, Tucson, and other southwestern communities in Arizona, Nevada, and California. http://www.usbr.gov/lc/hooverdam/ Pylons for a new bridge over the Colorado River. It's part of a bypass designed to move traffic and lessen congestion at the dam itself.
http://www.hooverdambypass.org/
Spillways that could swallow a house.
"High Scaler" sculpted by Steven Liguori.
Double click on the picture for easier reading of the sign's text.