Winter diving isn't for everyone. Colorado Scuba Diving Academy invites divers to hone their skills off-season from a decidedly warmer place—the pool.

The water may be frigid, but brave the temperatures, and you're rewarded with a smorgasbord of brightly colored critters that dazzle.

Fear of diving in the open ocean is common. A confined dive, like the one at the Georgia Aquarium, can help apprehensive divers overcome their fears and build a connection with the ocean and its residents.

Dive with us in Western Pennsylvania, where we found a quarry with a secret you wouldn't expect. (Spoiler alert: It's a seasonal jellyfish bloom that never fails to dazzle.)

Don’t let the cold temperatures scare you away from diving this abundant underwater fjord in Washington. Designated as a marine preserve, this destination is the perfect place to see wolf eels, giant Pacific octopuses, lingcod and more.

The murky Mississippi River water surrounding Garrison Dam is full of treasure, making it a popular attraction for archaeologists, professional or otherwise.

Ice diving isn't for the faint of heart, but there's a whole different underwater world to explore when you don a dry suit and take the plunge. Here's how to embrace the cold.

The unassuming lake in Rawlings, Virginia, may be quiet on the surface, but myriad surprises await below—including prop skeletons, a computer graveyard and even a deconstructed Black Hawk helicopter.

Nearly two dozen wrecks dot the seafloor from Pensacola to Port St. Joe. Here's how to experience them all for yourself.