A lot of websites, including thedailywtf (I refuse to refer to it or access the site by the new name) have a feature that is a form of nav bar at the top that shows you each set you took to get to the page you're currently viewing. In my experience, these are usually hard-coded, so even if you followed a different path, you still get the "straightforward" path. This isn't necessarily a bad thing, but apparently some people would prefer that it be the actual path you took... I've seen this often done using cookies. One way I have never seen it done is by adding plain text to the URL:
I haven't studied it in depth, but it appears that most, if not all, of the pages on that site are created that way. Now here's The Real WTF: it seems that those history strings actually determine what page you're viewing!