In 1889, Captain James C. Kerr and 100 of his passengers aboard a steamboat reported seeing a 40-foot-long monster in Flathead Lake. One witness claimed that the being resembled the infamous Loch Ness monster because of its "steel black eyes" and fins. Since then, there have been 108 reports of a monster in Flathead Lake.
Johnny Gosch
On September 5, 1982, 12-year-old Johnny Gosch was abducted while on his morning newspaper run. There were absolutely no witnesses and no leads. Gosch seemingly disappeared out of thin air.
Some skeptics believe that he was abducted into a child trafficking ring that was operating in Nebraska. His mother, Noreen, later received pictures of a man who was tied up in a basement. Although the man in the photo could not be confirmed, she believed that the theory must have been true. In 1997, Noreen claimed that her then adult son visited her with his abductor. She said that he told her he was "all right" which then ignited even more conspiracies that he was still alive. Police could not corroborate Noreen's story.
The Active Volcano Under Yellowstone
It's public knowledge that there is an active volcano under Yellowstone in Wyoming. Conspiracists have reason to believe that the government knows when the eruption will happen. The volcano is 44 miles wide and could easily wipe out the entire US.