US West

Photographer Guy Tal

Sandstone Worlds — Guy Tal | Photographer, Author

Cascadian Volcanic Arc by Hasan Jasim

View of Mt. Jefferson, Mt. Hood, Mt. Adams, Mt. St. Helens, and Mt. Rainier

The Not so Great Salt Lake

Great Salt Lake’s retreat poses a major fear: poisonous dust clouds | Utah | The Guardian  

Havasu Creek near the Colorado River Confluence by Richard Webb

EMC Gucken

Yosemite National Park

Light Pollution