Kids nervous about diving 500 feet underwater in sub

In Curaçao, a Dutch Caribbean island, you can take a trip far below the surface of the water where sunlight disappears and strange creatures live in the depths. This family will travel 500 feet down in a tiny submersible, a small vehicle designed to operate underwater - similar to the ones used by James Cameron. But are these kids brave enough for the adventure of a lifetime? Let's find out!