Heaven's CrownThis heavenly sight includes mammatus characteristics in a fast changing cumulus cloud formation which appeared over the Cuyamaca Mountains in California.

from Chihuahuan lows to far-west mountain highs

The town of Julian is a mountain retreat at about 4500 feet/1500 meters above the Pacific Coast and inland from the sea about 60 miles/100km

Water originating in the Two Oceans Plateau of Wyoming forms part of the Snake River

the Temple of Kukulkan was part of the ancient city of Chichen Itza

Mature great egrets chastise a chick which has strayed from the nest

The Khimki Forest contains old growth woodlands with mixed arboreal species in and around the city of Moscow

These Washingtonia filifera palms are the exclusive native palm variety growing naturally in the Sonoran Desert of northern Mexico and the southwest United States

not only Arizona

The evergreen conifer is native to the western reaches of North America and is scientifically not a fir tree at all

From the Basin and the Range Province upward through escarpments to the dramatic Colorado Plateau

A massive pond cypress

Thomas Jefferson