Photo Essays of an Art Nature

There is some wonderful photography on Flak Photo, which also runs photo essays though of an art nature. Here how the site describes itself:

Flak Photo is a photography website featuring distinctive work from an international community of contributors that promotes interesting visual approaches to seeing the world and celebrates the art of exhibiting quality photography online. The site is produced by Andy Adams and features work from new photo essays, book projects and gallery exhibitions from established and emerging photographers. Flak Photo is updated frequently, attentively edited and open to submissions from the general public.