Guadalupe River State Park, Texas

Jenolan Caves, Blue Mountains, NSW, Australia

Devetashka Cave, Bulgaria

Colgate University in the fall

Volcano eruption as seen from space.

Mustard Plant Flowers in Napa Valley

Canaima National Park, Angel Falls

K2 mountain, Pakistan.

Naphamethanidon & Naphapholphumisiri Pagoda Doi Inthanont, Chiangmai, Thailand

South Shore Snæfellsnes Penninsula, Iceland

The Eiger, Switzerland

Somewhere in Mexico

Atacama Desert, northern Chile