Deep below the surface of the ground in one of the driest parts of the country, there is a looming problem: The water is ...

It's only accessible by kayak - but that doesn't stop hundreds of tourists from paddling they way to the Emerald Cave. It's only the Colorado River - just below the Hoover Dam. When the sun is ...

And in Lake Mead, just outside Las Vegas, the environmental crisis has led to the discovery of artifacts and even the remains of people who were lost to the waters long ago. Tina Bushman ...

The government official and engineer for whom Lake Mead is named would be "devastated" by water levels at the nation's largest reservoir dropping to historic lows, his great-granddaughter told NBC ...

Elevation is about 150 feet from being too low to flow downstream from the dam. Water levels in Lake Mead are continuing to deplete to dangerous levels -- so much so that the reservoir could soon ...