Scuba divers love to share their favorite tips and tales from dive trips. This column highlights some of those. Expedition guide and seafloor mapper Kitrina Godding loves Antarctica. Her favorite dive there is on the infamous Deception Island, where you can dive in an active caldera.

Diving alongside playful sea lions can be a thrilling experience. Here's what to expect—and how to snag the best photos.

Open-water certification is great, but the destinations on our list are best visited after mastering some advanced training. Here are six sites where extra certification goes a long way.

April 25 is World Penguin Day. To celebrate, we’re exploring the world of these wonderful waddlers–from what makes them fun to why we need to protect them.