Flash Flood Frenzy: Grand Canyon's Unpredictable Fury The Grand Canyon has long been known for its flash floods, which remind visitors of the unforgiving power beneath its tranquil surface.
While tourists flock to the Arizona landmark for breathtaking vistas and leisurely hikes, the Colorado River has unleashed its fury upon unsuspecting visitors.
The US National Park Service estimates that at least 20 people may be missing in the wake of Saturday's torrential downpour, which washed away footbridges and altered the landscape of Bright Angel Creek.