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 / Updated  / Source: TODAY
By Matt Murray

Whether it's a 120 mile ride on one of the world's most intense roller coasters, or a dive into a billion-gallon underground lake, TODAY's Summer Adventures explored some of America's coolest and lesser-known destinations.

Natalie Morales and Jenna Bush Hager kicked things off with a visit to Ohio's Cedar Point, where Natalie rode the Top Thrill Dragster, a ride that goes from zero to 120 mph in less than 4 seconds, straight up 420 feet.

Jenna Wolfe learned what happens when Slide the City comes to town, turning the streets into a 1000-foot-long slip n' slide.

Kevin Tibbles dove in head-first to explore the underground lake at Bonne Terre Mine in Missouri, where there are more than 88 different passageways filled with crystal clear water.