8Komodo Island, Indonesia

What’s more terrifying than a giant lizard with a venomous bite? An entire island full of giant lizards with venomous bites. Below Indonesia, Komodo Island is home to 6,000 Komodo dragons, and the destination is popular for diving and checking out the largest lizard on Earth.

Rangers warn guests to avoid eye contact with the lizards and to go to the bathroom with a partner. Women who are menstruating must be extra careful because Komodo dragons have a strong sense of smell and are attracted to blood.