South America

The largest shark that ever lived went extinct 3.6 million years ago, unless the deep ocean is hiding something.

The blood-draining predator that left livestock drained across Latin America.

Something enormous has been surfacing in an Argentine lake for over a century.

In Central America, a glowing-eyed dog follows you home at night, but its color decides your fate.

Deep in the Amazon, locals say a snake longer than a river is wide guards the waterways.

A stinking, one-eyed ground sloth still roaming the Amazon, if the locals are right.

The Amazon's pink river dolphin comes ashore at night disguised as a handsome stranger.

Massive, fleshy, unidentifiable masses that wash ashore worldwide, defying easy explanation until the lab results come in.

Entire sections of Brazilian forest have collapsed into tunnels dug by something impossibly large.

Brazilian hunters know this forest spirit punishes anyone who takes more than they need.

It lies flat on the water like a discarded cowhide, until something steps on it.

Inside Chilean volcanoes lives a molten humanoid that demands human sacrifice to stay dormant.

In the forests of Honduras, a backward-footed ape-man kidnaps anyone who makes eye contact.

Chilean rivers hide a fox-tailed serpent that creates deadly whirlpools to drown the unwary.

A cow-headed amphibian haunts Chilean marshes, and seeing one means birth defects for the unborn.