Explore some of the most extreme waterparks in the world, from Stukas, a terrifying 60-mph waterside in Italy, to the Destroyer, a monstrous 300-foot-long homemade waterside in Vail, CO.

The Tower of Power in the Canary Islands drops riders 250 feet into a shark tank; and in Costa Rica, a slide with a speed of about 45 mph is highlighted. Also: a chance to experience the wild rapids in North Carolina.

Prepare to scream your face off as we plunge 7 stories into a cave in the Bahamas. Then, brace yourself for the world’s fastest (and tallest) headfirst slide in Canada and a 260-foot, free-fall slide in Texas.

Hold on as we take you to China's only water slide that shoots riders upside down. Next, a 300-foot slide drops riders into a Bahamian shark tank. Then, it's off to Wisconsin for the world's longest, fastest indoor water coaster.

First stop, "The Beast of the Middle East," a 9-and-a-half-story water slide in Dubai. Next, it's off to Virginia Beach for 4 monster slides with more than 1,200 feet of drops and loops. Finally, we venture to homemade island slides atop mountains in Maui.

Riders in Brazil are sent speeding into a tank of piranhas; and in Utah, a 100-foot homemade slide ends in a kiddie pool.

At Canada’s largest waterpark, we visit a terrifying 6-story, near-vertical slide. Next, we travel to San Diego for the only wave machine in the US that lets you surf a monster curl standing up. Finally, plunge 9 stories into a shark tank in the Canary Islands.

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