By Sally Mesarosh | Mesa, Arizona

By Sudhir Sharma | Cliffs of Moher, Ireland

By Eliot Herman | Tucson AZ

By Mandy Daniels | Derbyshire, UK

By Barry Medlin | Reed Bingham State Park, GA

By Andy Dungan | 10 mi N of Cotopaxi, CO USA

By Hassan Dadashi . arani | Esfahan . Iran

By Nina Gorenstein | West Lafayette, IN, USA

By Robin Magleora | Ormond Beach FL USA

By Michael Flynn | Klipstein Canyon S/W Kern,County,California USA

By Sudhir Sharma | Cliffs of Moher, Ireland

By Kathryn Soli | Denver, Colorado, USA

By Jeremy Likness | Hornbeck Homestead on Florissant Fossil Beds National Park, Florissant, Colorado

By Robin Magleora | Ormond Beach FL USA

By Andy Dungan | 10 mi N of Cotopaxi, CO USA

By Ernest Jacobs | Eden, NY 14057