After the largest dam-removal effort in U.S. history, salmon appear to be thriving in the Klamath River, though some are ...

Chinook salmon on the Klamath River made it all the way to the river's headwaters in southern Oregon some 300 miles from the Pacific for the first time in over a century.

It was a symbol of progress until it became a monument to tragedy. When the dam gave way, entire communities were wiped out in minutes, leaving behind a story of human error, arrogance, and loss.

Saudi Arabia, of course, isn't the only place where engineering brought water to the desert. Here in California, we accidentally created the state's largest lake back in 1905 after the Colorado River ...

A century after a dam burst in Dolgarrog, killing 16 people, the Welsh village still lives with the legacy that reshaped UK ...