Dog Stars
Having a ruff day? These images of man's (and everyone's) best friend, which span the centuries and show our canine companions at work and at play, should cheer you right up.

Looking for more dog companions - or other pet pictures? View the variety of canines photographed by Carol M. Highsmith, or sample our other albums, "Purrfect Cats," and "Presidential Pets."
33 photos · 499 views