White Coral Fungus (clavulina cristata), Santa Catalina Mountains, Tucson, Arizona, USA

Hygrophorus speciosus, Santa Catalina Mountains, Tucson, Arizona

Moss growing on decomposing tree, Santa Catalina Mountains, Tucson, Arizona

Views of Mt. Bierstadt and the Sawtooth from Guanella Pass, Colorado, USA

Views of Mt. Bierstadt from Guanella Pass, Colorado, USA

Views of Mt. Bierstadt and the Sawtooth from Guanella Pass, Colorado, USA

Guanella Pass area, Colorado, USA

Guanella Pass Summit Area sign, Pike National Forest, Colorado

Guanella Pass Summit Area sign, Pike National Forest, Colorado

Guanella Pass area, Colorado, USA

Smokey Bear sign

Smokey Bear sign, Drown your Campfire, Colorado, USA

Rock and Sky

Rocky Mountain Bighorn Sheep (Ovis canadensis) cross a mountain road, Colorado, USA

Rocky Mountain Bighorn Sheep (Ovis canadensis) walking down a mountain road, Colorado, USA

Scenic creek off Guanella Pass Road, Pike National Forest, Colorado, USA

Western Salsify (Tragopogon spp.), near Denver, Colorado, USA

Southern Rocky Mountains Ecoregion, Montane ecosystem, Guanella Pass Road, Pike National Forest, Colorado, USA

Staunton State Park, Colorado, USA

Staunton State Park, Colorado, USA

Montane Ecosystem, aspen and conifers, Staunton State Park, Colorado, USA

Montane Ecosystem, aspen and conifers, Staunton State Park, Colorado, USA

Views of Mt. Bierstadt and the Sawtooth from Guanella Pass, Colorado, USA

views of the steep volcanic mountains of Oahu from Ho’omaluhia Botanical Garden, Hawaii