Macrophotography by Wendy verboom, on Flickr
The Way Out by Helen Warwick, on Flickr
Sunset of Empires by Nathan Smith, on Flickr
Defender in the woods by supa_dupa_troopa, on Flickr
Pale Blue Dot by Shannon Sproule, on Flickr
The road must be trod, but it will be very hard. And neither strength nor wisdom will carry us far upon it by Tom Milton, on Flickr