An old coal mine in Pennsylvania caught fire one day in the 60s and it’s been burning ever since. What’s crazy is this happens all the time.
Oct 2021
SYMHC Classics: Tunguska Event
This 2018 episode covers an even from June 30, 1908, when at approximately 7:15am, the sky over Siberia lit up with what was described by witnesses as a massive fireball, or the sky engulfed in fire. For the last century, scientists have been trying to figure out exactly what hap ... Show More
26m 42s