At a trailhead with a toilet in northern Yellowstone, there were several No Parking signs, a few more for Horse Trailers Only parking, and then a weird little section for 15 Minute Parking. The last was crookedly occupied by both a campervan and an outback, the two squeezed awkwardly enough that there was no room for me without blocking one or the other. As I figured this out, the others began to move along. A young femme came out of the toilet to see her car moving and peeked into the passenger window. Her grin was wide and shoulders shaking as she looked back toward me, semi-blocking them in. I smiled and shrugged, catching her laughter as I realized how they must have gone through the same thing when they rolled up. I was still smiling as I went to use the toilet.