Extreme sport of freediving pushes underwater athletes to the limit
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Extreme heat has caused several hiking deaths this summer. How to stay safe
Going for a hike? Here's what you need to know.
10-year-old becomes youngest to win an X Games medal
X Games: Tony Hawk inspiring young skaters, helping build skate parks
Underwater Torpedo League gives veterans sense of community, purpose
Meet one of social media's hottest sports: Underwater Torpedo League
Bison gores woman in Yellowstone National Park
Colorado man cited after illegally landing helicopter in Grand Teton
Hiking or camping this summer? What to do if you encounter a bear.
Camping essentials 101: Read these expert tips before you head out
Woman dies hiking in excessive heat at Grand Canyon National Park
Friends go swordfishing, instead catch rare record-setting species
Watch: Tourists fend off charging brown bear in Alaska by growling
Watch: Fisherman pulled from boat after shark attack in Everglades
Watch: Boat has 'scary' encounter with killer whales during ocean race
Carson Wentz shows off photos from bear hunting trip in Alaska
Teenage girl drowns after being trapped under inflatable raft Watch: Two adult bison thwart pack of wolves that were hunting calf
Fishermen reel in 619-pound marlin, but lose $3.5M prize on DQ
Crews recover body of man who fell off Grand Canyon Skywalk
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10-foot crocodile rescued from South Florida resident's pool
Watch: Mother elk sends two Yellowstone tourists running
Watch: Man gets out of car to chase bear in Yellowstone; gets vilified
Visiting a national park? Don't be an idiot: Leave the animals alone!
Watch: Bald eagle swims to shore with massive fish
Schools across East Coast cancel outdoor activities due to wildfire smoke
Yellowstone visitors violate park policy putting elk calf in vehicle
Watch: MMA fighter wins bout with alligator stalking Florida school
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Fishermen receive jail time for cheating in walleye tournament
'Freaky-looking' fanged fishes found on Oregon beaches Score hot deals on Solo Stove fire pits and pizza ovens
Catch of record-size carp ‘like pulling the plug out of the river’
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Bear destroyed after killing dog in Canadian national park