A hundred years ago, SOMETHING smacked into the Earth in Siberia, resulting the Tunguska Event.
Comet? Meteorite? UFO? Tesla's Death Ray? We dunno.
Happy birthday, Tunguska, and keep watching the skies.
Cumberland Gap National Historical Park - [image: Fern Lake - a recent addition to the National Historical Park]Near the junction Kentucky, Virginia, and Tennessee and within the Appalachian Moun...
16 hours ago