When the temperatures dip, but the urge to dive hits, residents in South Carolina head to Lake Keowee, where an on-site energy plant warms the water to temperatures up to 80 degrees.

After sea star wasting disease wiped out more than 90 percent of the ocean's wild sunflower sea star population, divers brave the cold Alaskan waters to find traces of the remaining population.

On a late-night dive in Sitka, Alaska, two divers encounter myriad fascinating creatures, including a giant Pacific octopus on the prowl.

From Pensacola to Panama City, the Florida Panhandle is packed with biodiversity and so many wrecks (40-plus and counting), you can't possibly see it all in one trip.

Experience the thrill of diving the USS Oriskany. Encounter vibrant marine life, swim through massive structures and witness the transformation of this military titan.

The conditions off Washington's Olympic Peninsula can be challenging, but when they're ideal, divers are treated to abundant fish diversity.

Find inspiration for your next big dive trip. These dive hotspots earned praise from our readers in this year's Reader Choice survey.