We've all had our breath snatched from us as we behold one of the most stunning natural occurances: a gorgeous sky. Also see another gallery of clouds photos.
Gates to the sky...
© ilana peledSky's slices
© Rui Filipe Rebelo PregoIn The Beginning
© Sonny AsehanAbove the Clouds
© Daniel BiggsStorm Clouds Over Kansas
© Laurie Vinciguerra