CATAWBA MURDER HOLE - Marian McConnell stands deep in a cave near a deeper pit labeled "Hell" as she sings her tale of evil and mystery. In the depths of Few know this cave's deep, dark secrets ...

Most of the time, Deep Dark biomes come out of nowhere when exploring a massive cave. However, if players are targeting them, there's a lot they need to know about how to survive.

Mark Dickey, who was on an expedition to map the country's third deepest cave, became seriously ill more than a week ago. Rescuers retrieved him from nearly 1,000 meters below the cave's entrance.

Tech & Science Deep, dark, wet: Revealing the microbiome of caves. A deep, pit-like sinkhole with a surface opening (allowing sunlight to spill in) housed the most microbial communities.

Deep in a cave, help is often days away. “For everyone else, going caving seems crazy, seems odd, seems strange,” he said, citing fears of the dark and unknown.