By Samantha Anderson | Bulgaria

By Janet Yoder | Naubinway, Michigan, USA

By Jeremy Likness | Newport, Oregon, USA

By Muneka Stephens | Looking West from my backyard in Sierra Vista, AZ

By Victoria Arnold | Dunedin, FL, USA

By Victoria Bryhan | Yaquina Head, Newport, Oregon

By Chuck Reinhart | Vincennes, Indiana

By Dennis Tilton | Yellowstone National Park, Grand Prismatic Spring

By Sudhir Sharma | Stormville, NY

By Pascal Geisen | North Sea, off Flamborough Head, United Kingdom

By Cecille Kennedy | Winston, Oregon

By Kris Hazelbaker | Grangeville, Idaho, USA

By Hassan Dadashi . Arani | Esfahan. Iran

By Tony Everhardt | Ottawa National Wildlife Refuge. Ottawa County, Ohio

By Patricio Leon | Santiago,Chile

By C. Gentile | Florham Park, NJ USA