What you need to know to dive Crystal Caves in Abaco, Bahamas, which wrap cave divers in caramel crystals trapping Sahara dust underground.

Staying with your buddy is a fundamental rule of diving no matter how experienced you are.

Experienced cave diver details what it's like to discover new cave lengths and set the record for the longest dive into an underwater cave without resurfacing.

Diver will delight in the springs scattered across central Florida no matter certification level.

Renowned cave diver and underwater explorer Jill Heinerth shares how she stays alive in the trickiest of cave diving situations, from embracing fear to thinking small.

These cave explorers never know what they will find but they are on a mission to map as many unexplored cave systems as they can.

Oxygen toxicity is a condition that could prove deadly for scuba divers—read how this diver survived oxygen toxicity during a cave diving accident.

Cave explorer Jill Heinerth discusses her new book about scuba diving and exploration, "Into the Planet."

Edd Sorenson describes three hazards that could be of potential risk to the team trying to rescue a soccer team trapped in a cave in Thailand.