The following fifteen portfolios represent some of the best photography published on The Inertia in 2012. While every portfolio we’ve run includes amazing imagery and perspectives, those featured below managed to attract the most traffic and attention in 2012.

Please take some time to admire the amazing work of these world-class photographers, and vote for your favorite collection of images.

Votes will be accepted until noon on December 30th, 2012.  Winners will be announced on December 31, 2012.

And share this work with your friends. #portfoliochallenge