Canyons, small streams and dry creek beds in the West can be deceptively dangerous, trapping hikers when rainfall upstream causes rapidly rising water.

© John Locher/Associated Press

The bodies of at least two people were found and more than a dozen were missing. Further storms could hinder rescue efforts on Monday.

© The New York Times

Phantom Ranch, the only lodge within the Grand Canyon, has drawn adventurers and dignitaries, including Theodore Roosevelt, for more than a century.

© Craig Sanderson, via Associated Press