There are lots of interesting maps and videos concerning WOC floating around the internet. You can find most of them at WorldOfO, but here's a sampling:
See what the terrain looks like "in real life" with this headcam video with map from Long Qual. There's also one for the Middle Q.
See the maps and the winners' routes for all of the races so far.
WorldOfO also has some a page for each country with photos of runners. See the USA page here.