By Marc Toso | Volcano Peak in the Silver Island Mountains, UT

By Nina Gorenstein | West Lafayette, IN, USA

By hunter johnston | Williamsburg , Virginia

By Nina Gorenstein | West Lafayette, IN, USA

By Jerry Severson | Big Lake,Mn

By Patricio Leon | Santiago, Chile

By Michael Teoh | Heng Ee Observatory, Penang, Malaysia

By David ONeill | South Western Ontario

By Cynthia Watson | Dade City, FL, USA

By Peter Lowenstein | Mutare, Zimbabwe

By Sheryl R Garrison | Waterton Glacier International Peace Park, AB, Canada

By Julia Munoz | Mexico City, Mexico

By Diane Morrell | Middle of Nevada somewhere

By neal estano | Albany, NY USA

By Nathan Eaton Jr | White Rock Lake, Dallas, Texas, USA

By Serge Bobrov | Singapore