Much like Area 51, the Loch Ness Monster, and the Infinity Stone that Gary England allegedly possessed that gave him meteorological superpowers, one of the great mysteries of our era is the existence of glory holes. According to the reliable medium of pornography, they exist in every truck stop bathroom stall, a portal to anonymous, disgusting pleasure.
Although I've never looked, I doubt their existence with the fervency of Senator Inhofe at a climate change rally. Some radicals have taken matters into their own hands and decided to make this myth a reality: