Waiting undiscovered behind the chalkboards at an Oklahoma school was a virtual Hot Tub Time Machine trip back in time.  98 years, if you're counting.

I'm sure many interesting things have been found in many interesting places when schools are torn down.  Rarely will you find anything more than gum stuck to walls, maybe a bag of grass stashed & hidden back in the righteous 70s, man, or, of course, plenty of asbestos.

One school in Oklahoma found a moment frozen in time behind chalkboards being replaced.

 

 

Want a different version of the same story?  Check out the very creepy computer-generated voice over on the version of the story below.