January 4, 2013
Havasu Falls, Arizona
Photograph by Tim Fitzharris, Corbis
The twin streams of Havasu Falls splash down the Grand Canyon into a pool on the Havasupai Indian Reservation, which lies just outside the national park. The pool's bright blue color comes from high levels of magnesium in the water.
Grand Canyon National Park Photos >>
Download the National Parks by National Geographic App >>
Welcome to Travel 365. We've taken Travel Photo of the Week and made it better: bigger, bolder, and new every day. Check in each day, share your favorites, join the discussion—and start your vacation planning.