Blyznytsya Mountains, Ukraine

Hallstatt, Austria

Atacama Desert, northern Chile

Son Doong Cave, Vietnam. The largest cave in the world.

Yosmite Ridgeline

Fall at Zion

Crystal Lakes, WA

Badlands National Park, South Dakota

The Swiss Alps near Grindelwald

An ancient tree on the rim of Oregon's Crater Lake at twilight

Autumn in Patagonia, Argentina.

Torres del Paine Park, Argentina

Glade Creek Grist Mill in West Virginia