By Jeff Schreier | Sandy Hook, New Jersey, USA

By Jeffrey Neuberger | Oak Harbor, Washington

By Jeffrey Horne | Bone Cave, TN

By Jeffery Maddox | Barnesville Georgia, USA

By Jeff Berkes | Goblin Valley, Utah

By Jeffery LeMieux | DePere, WI

By jeff ridgeway | kingston

By Jeff Cate | Joshua Tree National Park, California, USA

By Jeff Sullivan | Topaz Lake, Nevada, USA

By JEFF MINGIS | Chilliothe Tx. USA

By Jeff Sullivan | Death Valley National Park

By Jeff Berkes | East Point Lighthouse, New Jersey

By Jeff Hildebrand | Menifee, California

By Jeff Martin | Philadelphia, PA, USA

By Jeff Andrew | Bakerville, Colorado USA

By Jeff Berkes | Assateague Island National Seashore, Maryland