Travel Channel 

Brazil
Dr. Mike encounters a wandering spider, a piranha's menacing teeth, a blood-sucking vampire bat and more. 

India
Dr. Mike comes across whip scorpions, leeches at work, body lice and more.

Vietnam
Dr. Mike finds a menacing rove beetle, scorpion, tape worm and more.

Borneo

Mud crabs, proboscis monkeys, and pit viper snakes, are just some of the creatures that bite in Borneo.

Coastal Australia
Beware of the box jellyfish, cone shell, and one of the world's deadliest fish -- the Stone Fish -- in the waters off of Australia.

Mexico
Check out all the nasty critters south of the border: Red Knee Tarantula, Botfly, Screw Worm and more.

USA
See what lurks in the U.S. including alligators, Gila Monsters, and even a brain worm you can get from your pet!