Natasha J Photography: Chicagohenge Sunset, Chicago.
Ron Wooten: Puerto Morelos Symetry
topcao: Original pic here : http://ift.tt/29aj7Bp
milky__way: DSC_0055-121
juancarlosbarbavillamor: Cabezo de Castildetierra
pvarney3: Spooky Canyon - Grand Staircase-Escalante National Monument, Utah