By Karl Diefenderfer | Quakertown Pa

By Dr Ski | Valencia, Philippines

By Dawn Pizzoferrato | St. Johns MI USA

By Asthadi Setyawan | Malang, East Java, Indonesia

By Asthadi Setyawan | Malang, East Java, Indonesia

By Niccole Kowalski | Meteor Crater Natural Landmark, Winslow, AZ

By SARA LaFratte Sara | Mitchellville Iowa

By Sara LaFratte Sara | Mitchellville Iowa

By Mark Noonan | Gary Indiana Lake County

By Anna malai | Batu Ferringhi Penang Malaysia

By Sheryl R Garrison | Southern Alberta, Canada

By Peter Lowenstein | Mutare, Zimbabwe

By Julie Stark | Port Jefferson

By Jon Greif | Klamath County Oregon, USA

By Randall Sackerson | Evergreen, Colorado USA

By Ragini Chaturvedi | Long Branch, NJ