This 2016 episode covers a skeleton found in a tree near Birmingham, England in 1943. More than 70 years later, it's still unknown who the deceased was and how the body ended up in an elm tree.
Stuff You Missed in History Class
Author Interview: John Perlin 'A Forest Journey'
SYMHC Classics: Year Without a Summer
Behind the Scenes Minis: Theater and Thrill Rides