Scientists lit a cave of natural gas on fire in 1971 expecting it to only burn for a few days; it still burns to this day. It has been nicknamed "The Door to Hell".
19
When you shave a guinea pig it looks like a little hippo.
19
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The human brain doesn't stop developing until about 25 years old.
102
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
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