Andriy Bandurenko / Via Thinkstock Rock climber at sunset 1. Volcano Boarding Garrett Ziegler / Via Flickr: garrettziegler It's only the hottest activity ever! Race down an active volcano and get the thrill of a lifetime. 2. Canyon Swinglining Mark Hills / Via Flickr: hillsieboy Some might think it's completely insane, but swinging down a canyon is a great way to have safe extreme fun. 3. Tree Camping Jason Jones / Via Flickr: jjay69 Camping on the ground is too mainstream, so if you want to upgrade your camping game, try doing it up in the trees. 4. Cliff-Face Camping Greg Epperson / Via Thinkstock If camping up in trees is still not thrilling enough, you might want to consider cliff-face camping. 5. Coasteering Andrew / Via Flickr: arg_flickr Experience the exhilarating sport of coasteering as you hike, swim, and dive. 6. Bungee Jumping Nicolas Baltenneck / Via Flickr: nicolas-baltenneck If you want to know what free falling feels like then bungee jumping is right for you. 7. Mountaineering Gerry Kollmuss / Via Flickr: 59373321@N00 Mountaineering is just like coasteering, minus the water. Go on an extreme hike and discover all the hidden nooks and crannies in the mountains. 8. Hang Gliding Vicki & Chuck Rogers / Via Flickr: two-wrongs If you want to experience what it's like to be a bird then you must go hang gliding. You'll be able to soar free through the sky and let go of all your worries. 9. Storm Chasing Ben / Via Flickr: seabirdnz Whether you watched Twister or you just like danger, storm chasing is meant for those brave souls who like to live on the edge and appreciate every aspect of nature. 10. Parascending Mark Cartwright / Via Flickr: markcartwright You must go parascending if you'd love to feel the cool breeze pass you by as you sit in the air while a boat takes you cruising in the ocean. 11. Paramotoring texaus1 / Via Flickr: texaus1 Take your paragliding to the next level by attaching a motor to your back and take control of your flight. 12. Dogsledding Travel Manitoba / Via Flickr: travelmanitoba Race through the snowy slopes and experience what it's like to be in a dogsled race. 13. Hot Air Ballooning Matthew Paulson / Via Flickr: matthewpaulson Hot air balloons are perfect for those who'd like to travel across the sky, sip on champagne, and see the beautiful earth from meters up in the sky. 14. Base Jumping enshahdi / Via Flickr: shahdi Be the most extreme person out there and try base jumping. Grab a parachute, jump off tall buildings, and release all your inhibitions. 15. Skydiving Alan / Via Flickr: kaptainkobold Skydiving is a three-in-one experience. You get to fly on a jet plane, jump off the plane, then parachute your way down to land. It's the perfect experience for anyone who just wants to let go. 16. Bridge Climbing E01 / Via Flickr: e01 You've probably driven on a bridge, but have you climbed one? Well now you can! 17. Zip-Lining Samuel Landete / Via Flickr: secretnevertobetold Reach speeds of 50 mph while gliding on a rope that is suspended 600 feet in the air. You'll have the best time of your life. 18. Skiing fiction300 / Via Flickr: fiction300 If you want to experience the cold rush of racing down the valleys of snow, skiing is the perfect extreme outdoor activity for you. 19. Snowboarding Robert van Dijk / Via Flickr: kwinkslag If you think you have no coordination between your arms and legs, ditch the skis and try some snowboarding. 20. Surfing Nathan Rupert / Via Flickr: nathaninsandiego Ride the waves and feel defiant against the power of the ocean. 21. White-Water Rafting iheartpandas / Via Flickr: iheartpandas Experience the dangerous and exhilarating ups and downs of white-water rafting. You'll like this more than a roller coaster. 22. Mountain Biking Anthony DeLorenzo / Via Flickr: delorenzo Mountain biking is not for the faint of heart, but it's definitely one of the most accessible extreme activities out there. 23. Wing Walking Marc Evans / Via Flickr: sugarmonster You'll feel like you're walking on air — hence the name. Get on top of an airplane wing and fly. You'll be feeling like the king of the world. 24. Cliff Jumping Eef De Boeck / Via Flickr: 124484848@N02 If you're tired of just diving into your pool, then you need to go cliff jumping. It's the extreme version of using a diving board. 25. Hovercrafting Dibaday / Via Flickr: dibaday This is something from the future. Feel like you're defying gravity when you go hovercrafting. 26. Bouldering Kiliii Fish / Via Flickr: kiliii If you're a fan of indoor rock climbing, your next step is to try bouldering out in the open air. 27. Windsurfing Susanne Nilsson / Via Flickr: infomastern Windsurfing is perfect for anyone who loves the sea. It's the sport you want to play if you love to sail and surf. 28. Waterskiing lisadonoghue / Via Flickr: lisadonoghue If the snowy plains aren't for you, try taking your skiing over to the waves. 29. Sand Yachting Claire / Via Flickr: iloveryde If you're scared of sailing in the ocean, sand yachting is the perfect alternative. 30. Kite Surfing Anne Roberts / Via Flickr: pondspider Surfing is cool, but kite surfing is even better. Combine your surfing with some aerodynamics and impress all those spectators on shore. 31. Kite Boarding Fred Dawson / Via Flickr: fwp-dawson If kite surfing doesn't appeal to you, you might want to try it on land with a skateboard. Same sport, different setting. 32. Mountain Boarding Ben Arent / Via Flickr: benarent Ditch the bike and grab your skateboard. Mountain boarding is bound to give you a more extreme experience up in the mountains. 33. Zorbing Russ Ensley / Via Thinkstock Imagine how cool it'd be to just get inside a huge bubble and have someone roll you down a hill. It sounds like so much fun! It's like being in a huge hamster ball for humans. 34. Caving http://J.J. / Via Flickr: samurai_cat If you don't think being on top of the mountain is for you, consider going deep inside them. When you go caving, you'll run into wonders you never thought you'd see in your life. 35. Glacier Hiking Jacynthroode / Via Thinkstock Take your hiking to the cold and icy trails of the glaciers — but make sure to cover up or you'll freeze. 36. Extreme Ironing Jade Berman / Via Flickr: divedivajade Last, but definitely not least, extreme ironing: because ironing at home can be a bit boring. Iron while you go hang gliding or surfing, but just make sure to make it extreme.