June 1, 2018

by Doug Koepsel

The Colorado River flows over rocks in Marble Canyon, the eastern section of Grand Canyon National Park.

May 31, 2018

by Catherine Sienko

A bee gathers nectar from a paloverde blossom in an Arizona backyard.

May 30, 2018

by Ramon Salazar

Black-and-White Wednesday: Rays of sunlight form patterns on the walls of Upper Antelope Canyon near Page.

May 29, 2018

by Theresa Rose Ditson

A full moon looms behind one of Sedona’s striking red-rock formations.

May 28, 2018

by Bill Ferris

Vishnu Canyon, a Grand Canyon tributary, grows narrow between steep cliff walls.

May 27, 2018

by Gizle Manchester

A sandstorm begins to sweep across the iconic buttes of Monument Valley.

May 26, 2018

by Dulcey Lima

A ladder-backed woodpecker enjoys an open saguaro blossom in Sabino Canyon near Tucson.

May 25, 2018

by Taylor Thomas Albright

A hike into the Grand Canyon offers stunning views of cactuses and the Colorado River.