12. Coconut Crabs
When you approach a crab that can be larger than a trash can, you know there is something not normal. The coconut crab can reach about nine pounds and over three feet in length, making this creature one of the largest arthropods to live on land in the world. How did they get their name? The claws are strong enough to crack into a whole coconut shell. Pretty scary when you think about the power in those enormous claws.