Top 5 Crazy Summer Adventures

Looking for a summer vacation that will get your adrenaline pumping? Then Bert Kreischer — of Travel Channel's Bert the Conqueror (Wednesdays at 10/9c) — has the top five adventure destinations that thrill-seekers can't afford to miss. From what he calls "zip lines on steroids" in Boulder City, Nev., to a 16-second freefall in Las Vegas, watch as the comedian runs through his favorite extreme picks of the season in the video below:

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