>>2037960One time at my cottage when I was a kid me and my dad spent all day digging up a huge tree root where we wanted to put a new fire pit. That night we had a fire to celebrate, and by the time it became completely dark, I started to notice that the moonlight was shining particularly strong through the trees above, leaving a pattern on the ground around us that was almost like sun shining through trees and branches. But then it hit me, there was no moon that night.
I got up to take a closer look, and I realized that all the chunks and slivers of wood from the root we tore apart was glowing and radiating. We got pretty freaked out and packed up for the night, half wondering if we were going to be coming down with radiation poisoning symptoms by morning.
Turns out it's a natural phenomenon, a fungi called foxfire which can grow in rotting wood under the right conditions. Anti-climactic ending I know, but it was really spooky at the time since this was the days before the internet and we had to wait a week before we could go home and research it.