Canyon from central Turkey near Göreme.

A valley in Iceland

The Flatirons with sunset. Boulder, Colorado.

The Plitvice Lakes National Park, Croatia

Crater Lake, Crater Lake National Park, Oregon

Yulong River, China

Farmlands in rural Australia

Lake Mývatn, Iceland

Stunning pic of Monument Valley. (does anyone know how this was formed?)

Guadalupe River State Park, Texas

Saxon Switzerland National Park

Sunrise at Crater Lake

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