It's a testament to Mother Nature's strength and power, so vast and spectacular that it's often considered the "Grand Canyon of Washington."The Grand Coulee in Washington is an ancient river bed gorge ...

A 92-year-old man is now the oldest person on record to have conquered the Grand Canyon's 24-mile, rim-to-rim hike. Guinness World Records confirmed the feat on Tuesday, about two months after ...

Controversy has erupted after federal officials at the Bureau of Reclamation announced they don't plan to release floodwaters ...

Dam maintenance and non-native fish reduction efforts led the government to reject an environmentally restorative flood in ...