Great Sand Dunes National Park, Colorado: 50mm | ƒ9 | ISO 100 | 1/160 sec

American Nature

Every new surface that I scratch, reminds me there’s a deeper stratum of experience to uncover.

I have an ambition to visit—and photograph—every state and every national park before it gets dark. But the most curious benefit of each fresh encounter, is a gradual, revitalizing urge to explore more of my home state.

**Bighorn sheep, San Juan Mountains, Colorado:** 500mm | ƒ7.1 | ISO 2000 | 1/1000 sec

**Great Sand Dunes National Park, Colorado:** 128mm | ƒ5 | ISO 100 | 1/1000 sec

**San Juan Mountains, Colorado:** 400mm | ƒ9 | ISO 100 | 1/640 sec

**Yellow-bellied marmot, San Juan Mountains, Colorado:** 500mm | ƒ7.1 | ISO 500 | 1/1000 sec

**Bighorn sheep rams, San Juan Mountains, Colorado:** 500mm | ƒ8 | ISO 1250 | 1/1000 sec

**Lake San Cristobal, San Juan Mountains, Colorado:** 44mm | ƒ11 | ISO 100 | 1/100 sec

**Golden-mantled ground squirrel, San Juan Mountains, Colorado:** 500mm | ƒ8 | ISO 100 | 1/1000 sec

**Haleakalā National Park, Maui, Hawai’i:** 26mm | ƒ9 | ISO 400 | 1/40 sec | Focus and exposure stacked

**Chukar, Haleakalā National Park, Maui, Hawai’i:** 500mm | ƒ7.1 | ISO 250 | 1/1000 sec

**Brown anole, Maui, Hawai’i:** 500mm | ƒ7.1 | ISO 1600 | 1/1000 sec

**Warbling white-eye, Maui, Hawai’i:** 400mm | ƒ6.3 | ISO 500 | 1/1000 sec

**Green sea turtle, Ho'okipa Beach Park:** 500mm | ƒ8 | ISO 1000 | 1/400 sec

**ʻĪao Valley State Monument, Maui, Hawai’i:** 28mm | ƒ9 | ISO 100 | 1/160 sec

**Gold dust day gecko, Maui, Hawai’i:** 428mm | ƒ7.1 | ISO 1250 | 1/1000 sec

**ʻIʻiwi, Haleakalā National Park, Maui, Hawai’i:** 500mm | ƒ8 | ISO 8000 | 1/2500 sec

American Nature

Every new surface that I scratch, reminds me there’s a deeper stratum of experience to uncover.

Other Wildlife of California

Extreme Duality