In the forests of New Zealand's North Island, park rangers have been working for more than a decade to save a threatened population of giant snails. Now, these are not your average garden snails. They ...

In this episode, I take you deep into Tokyo’s legendary fish markets to uncover one of the most bizarre sea creatures I’ve ever encountered—a giant sea snail that looks straight out of a sci-fi movie.

Giant land snail populations are recovering in areas that have received targeted predator control over the last 15 years, according to experts. Getty Images/iStockphoto For the last 15 years, wildlife ...