By Dennis Schoenfelder | Alamosa National Wildlife Refuge, Alamosa County Colorado

By Michael Simbrom | East Northport

By Michael Simbrom | East Northport, NY

By Carolina Burgos‎ | Austin, TX

By Jonathan Razo | San Francisco Bay Area

By Stephanie Longo | Eleven Mile Canyon State Park, Colorado USA

By Stephanie Longo | Eleven Mile Canyon State Park, Colorado USA

By Raul Cortes | Monterrey, Mexico.

By Raul Cortes | Monterrey, Mexico.

By Raul Cortes | Monterrey, Mexico.

By Michael Nichols | Kenosha Wisconsin

By john washco | springfield, pa

By john washco | springfield pa

By john washco | Springfield pa

By Adrian Kocurek | Chicago, Illinois

By Judy Mason | Mesa Arizona - over Superstition Mountain