By Scott Smith | Palmetto, Florida USA

By George Preoteasa | Milford, PA, USA

By Alexander Krivenyshev | Manhattan, New York City

By Fernando Sousa | Santa Susana - Portugal

By Joe Glade | Medford,OR, USA

By Muhammad Alaa | Egypt, assuit

By Thomas Jones | Cave of the Winds, Niagara Falls, NY

By Martin Curran | Cheyenne, Wyoming

By Peg Yates | Woodbridge VA USA

By Tim Rubbert | Lake Clark National Park, Alaska

By Judy Boyle | Whitehall, MT

By Kathie O'Donnell | Rapid City, SD USA

By Rui Santos | Douro Valleys, Portugal

By Karl Diefenderfer | Quakertown Pa

By Paul C. Peh | Yale, British Columbia, Canada

By Sheryl R Garrison | Waterton Lakes National Park, AB Canada