By Raul Cortes | Monterrey, Mexico.

By Matthew Cosby | Devil’s Golf Course (Death Valley, CA)

By Alexander Stinchcomb | Palmbay Florida

By Rusin Tiago | Pirenópolis/GO - Brazil

By Deirdre Horan | Dublin, Ireland.

By Raul Cortes | Monterrey, Mexico.

By Marilyn Moffatt | Newport, Rhode Island

By Sheryl R Garrison | Waterton Park, AB Canada

By Victor C. Rogus | Sedona, Arizona

By JoPaula Bowen | Cozumel, Quintana Roo, Mexico

By Brian Mollenkopf | Lancaster, OH USA

By Raul Cortes | Monterrey, Mexico.

By Rupesh Sangoi | Mumbai, India

By Rob Williamson | Columbus, TX

By Emily Crowell | Pogue Creek Canyon State Natural Area, Jamestown, TN, USA

By Nina Gorenstein | West Lafayette, IN, USA