Expedition Apocalypse
- Episode aired Apr 8, 2010
- TV-PG
- 44m
In 1908 something felled millions of trees over 1000 square miles in Siberia, without leaving a trace. Many believe an asteroid was responsible. New evidence could at last solve the Tunguska... Read allIn 1908 something felled millions of trees over 1000 square miles in Siberia, without leaving a trace. Many believe an asteroid was responsible. New evidence could at last solve the Tunguska mystery.In 1908 something felled millions of trees over 1000 square miles in Siberia, without leaving a trace. Many believe an asteroid was responsible. New evidence could at last solve the Tunguska mystery.