(YouTube link)
In Japan, the goal of a TV game show is not so much to win, but to entertain the audience. This show that challenges players to climb a slime-ridden staircase is a case in point. Commenters at YouTube assure us that the stairs are made from a relatively soft material, so it doesn't hurt as much as you'd think to fall on them. -via The Daily What
Or how about a compact, three-story indoor driving range in the dark?