Diving Papua New Guinea is not for the faint of heart-or wallet. Unless you are coming from Australia, it's a very long journey to get there. But the rewards are great for those who do: electrifying reefs, shark encounters, World War II ...

What's it like to be a golf ball diver? What drives poachers and pros to risk polluted water, snake bites, gator attacks and accidental drowning? As much as $100,000 a year.

Put those tech-diving skills to use on these amazing sites.

The risks of DCS, running low on air and nitrogen narcosis increase as you go deeper. That's why you need our plan.

How trained tech divers use lines and reels to find their way into wrecks--and out of trouble.

Once the exclusive tool of military and tech divers, rebreathersare now within the reach of Joe Diver. Is this the future of diving?

If something went wrong on your next dive, would you be the hero or the helpless bystander?

Will "Solo Diver" be the new C-card you flash on your next dive trip?

How long will a tank last you at a given depth? Here's how to find out.