Are you free for the rest of the month? If so, you might want to check out Grantland's 20,000-word
encyclopedia feature on the Iditarod dog sled race. It's written by Brian Phillips (Deadspin, The Awl, The New York Times Magazine), so it probably turned out pretty swell.
We couldn't find the time to comb through every comma it took to create this behemoth, but it only takes a few seconds on the special portion of Grantland's site to recognize that the layout is pretty spectacular. Phillips writes about following the Iditarod race through the air. As you scroll through his piece, a map appears at the top of your window and updates itself as you scroll through the piece and read Phillips' musings about the corresponding places.
The Grantland folks also included footnotes and a sidebar glossary and illustrations and videos and recordings and tutorials and OH MY GAWD LOOGIT THOSE DOG'S EYES. Seriously, though, the accompanying photographs are stunning.
Here is a random paragraph we decided to block quote without any context because we didn't have time to read the whole thing: