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.

Lake Ontario National Marine Sanctuary, designated this summer, offers cultural and historical diving gems.

The perfect destination to practice the art of ice diving, Payette Lake's cold and clear waters are a must-dive experience.

Scuba divers love to share their favorite tips and tales from dive trips. This column highlights some of those. Ocean conservationist and sanctuary superintendent Sarah Fangman recalls a close encounter with a giant manta ray that seemed as engaged with her as she was with it.

Marathon, with its stunning underwater landscapes and a variety of on-land activities, is a destination that caters to both diving enthusiasts and those seeking a well-rounded Florida Keys experience.

Lake Champlain's floor is replete with wooden vessels, acting as an unofficial record of the area’s commercial shipping history. Some say it’s even home to an ancient sea creature (think the Loch Ness Monster) named Champ.

The combination of underwater wonders and on-land attractions makes the Lower Keys a well-rounded destination for nature lovers and water enthusiasts alike.

Divers are treated to a slice of paradise in “America’s Caribbean”