There is an island near Italy that was the site of wars, a dumping ground for plague victims, and an insane asylum. It's considered so dangerously haunted that the Italian government does not allow public access.
78
A Missouri family sued the previous owners of a house that they had just bought after Brown Recluse Spiders "started bleeding out of the walls." An expert came in and estimated that the house was infested with 4,000 – 5,000 of the spiders.
2
There are around 200 frozen corpses on Mount Everest.
696
In Jurassic Park, the T-Rex wasn't supposed to come through and break the glass roof of the explorer during the attack scene, subsequently producing the noticeably genuine screams from the children.
9