Hawaii's seabed is littered with long-lost artifacts from World War II. We followed along with one expedition to learn more about what it's like to scavenge for old wrecks.

Find out what it takes to livestream a concert from an underwater cave system that sits under the Scandinavian Mountains.

Explorers go where few have been before, and that's exactly what motivates Nathalie Lasselin to document her adventures through film. As a tec instructor and underwater explorer, she is an expert on working with her mind to accomplish great things.

Fear is a powerful emotion. These divers have learned how to harness theirs and use it to fuel their drive to explore. Here's their advice for doing the same.

As a tec instructor, dive safety officer and marine biologist, Beatrice Rivoira prepares herself for challenging dives by studying human factors to keep herself and her teams safe underwater.

Fear can hold you back or push you further. World-renowned underwater explorer Jill Heinerth shares her practical tips for facing fear, pushing limits and reaching the next level of what's possible. Her new film "Diving Into the Darkness" digs into her journey to becoming an underwater explorer.

Grand Bahama-based underwater explorer and tec-diving instructor Cristina Zenato has been to parts of caves that no one has explored before. She dives up close and personal with sharks on the regular and is no stranger to the unfamiliar. When she feels fear arise, she trusts her gut, believes in herself and welcomes her inner voice.

Rendering accurate 3D models of sunken wrecks is a painstaking job, but the results speak for themselves. See how this technology can make it easier and safer to plan your next underwater adventure.

Legendary diver Sally Wahrmann shares her stories and lessons from over 45 years of diving, including many from the wreckage of Andrea Doria.