Xtreme Waterparks

Longtime friends climb an eight-story raft wall in Mexico, gym buddies duke it out Down Under on an inflatable obstacle course and dancers drop like it's hot down a 70-foot slide in Arizona.

Zookeepers rappel down a massive 10-story waterfall in Australia, dancers flip upside-down a drop slide in Mexico and the Tampa Bay Storm cheerleading team hits a 50-foot raft wall in Florida.

A water park first-timer flies through a 60-foot tornado in Australia, couples scream up and down the body of a giant snake in the jungles of Guatemala and friends flow down a slide that Mother Nature's been working on for eons.

A couple hangs ten down twin drop slides in California, identical twins get swept away on a seven-story enclosed waterslide in Australia and newlyweds transform into mermaids in Florida.

Workout buddies pull themselves over the edge of one of the most terrifying freefall rides in Texas while gorgeous expats take a ride down the longest waterslide in Thailand; four friends surrender to the gods in Mexico.

Expats go primal at a dinosaur-themed water park in Thailand, four friends ride the beast in Indiana and international students experience the true power of a sonic shock wave in Texas.

Newbie rafting guides take on class-5 rapids in West Virginia, basketball teammates brace themselves for the tallest and longest waterslides in Thailand and two sisters plummet down a 245-foot slide in Missouri.

Friends hydroplane down the tallest waterslide in Tennessee, riders nervously wait to free fall down a six-story trapdoor slide in Thailand and San Diego transplants muster up the courage to say "yes" to a 75-degree drop.

Friends embrace the rage down the West Coast's only 100-foot-high mat racer, friendly adversaries race across an inflatable obstacle course in South Carolina and brothers plummet down a six-story trapdoor slide in Ohio.

Models try not to scream down dueling 75-foot waterslides in Illinois, friends hit up the world's only retractable dome water park in Germany and four moms enjoy a day off on a water ride with six 300-foot-long tubes in Indiana.

Couples raft down one of the best whitewater sections in the Rocky Mountains, childhood friends slide into the belly of the beast in Illinois and a couple of novices test out a 10-story trapdoor slide in North Carolina.