I must admit, hearing Fred say it, sharks seemed a little far-fetched. Then a rat ran right across my foot. Oh, yeah, rats made more sense.

"Rats!" yelled Sam.

After running again for a moment, we managed to leave the rats behind, and the fleas died down a bit. Then we saw something else gleaming — but they weren't eyes.

Fred's jaw dropped as he reached out to pick up hundreds of... gold coins!