There’s an optical illusion that few ever see beneath the 147-year-old lens and clockwork mechanism inside the Point Reyes Lighthouse. 

In the middle of the room that sits below the lens room, two white support beams stand a few feet apart. To the naked eye, they appear to be angled away from each other; in fact, they’re perfectly parallel. 

The multi-sided room provides the trick.

“We call it the ‘Point Reyes Mystery Spot,’” said Peter…