Holidays are supposed to be enjoyable - time spent away from the relentless grind of daily life.
So the last thing you'd want to be faced with, for example, is a visit from an enormous Australian spider in your room, or a South African elephant taking a pew on your car.
![No-one wants to emerge from the ocean after a nice swim with a slithery octopus on their back. Photo / Imgur](https://www.nzherald.co.nz/resizer/v2/JWH5WSCQFVNTBTOZAN4FM2RN3E.jpg?auth=52747573ca987e034143e80ab7e4cd1f5ae79b19998e0901c7fd5cdb22538fda&width=16&quality=70)
As these photos illustrate, you've really only ever moments away from a potential nightmare no matter where in the world you are.