Afternoon Delight is a daily diversion for when you’re just back from lunch, but not quite ready to get back to work. Check back tomorrow at 1 p.m. for another one.

Ever stop at one of those ‘gravitational mystery spots’? Those roadside attractions that often tout how, only in this precise location, can water run uphill and vertical lines hang at screwy angles? Visited one in upstate Michigan when I was a kid. They’re often found in such out-of-the-way places with a barn or shack-like structure you enter to experience the local geological or supernatural anomaly that somehow lets you violate the laws of physics.

Los Angeles-based artist Julian Hoeber has created ‘Demon Hill,’ a freestanding installation that’s based on the architectural principles underlying what are actually simple illusions. Prepare to be amazed! Or at least fascinated – and wised up.