If you are a local to Australia or plan on visiting, how scared should you be of stumbling across the most deadly spider in ...

The brown recluse spider (Loxosceles reclusa) is one of the only common spiders in the U.S. that is considered venomous — though their bite rarely, if ever, kills a person.

The Goliath birdeater, found in South America, is the largest spider in the world. Even though the spider can be scary when spotted, its venom isn't lethal to humans.