This is a bathroom stall in some Japanese ski resort that actually serves as an advertisement for a Coca-Cola coffee product (ad on toilet paper holder and back wall). As you can see, it was designed to look like a realistic ski-jump (or dump), complete with skis painted on the ground and everything. You just sit down, close your eyes, and imagine you're atop the mountain, ready to launch yourself off a cliff. Then open them and realize you've thrown yourself off the seat and shit on your leg.
Another picture after the jump.