VIDEO: A Ride Down the World's Tallest Waterslide

A waterslide taller than Niagara Falls is getting close to opening — Schlitterbahn Kansas City is testing the 168-foot high "The Verruckt," a waterslide that promises to put your stomach in your throat with a 50-foot drop. The ride has been delayed several times as Schlitterbahn continues to test it and ensure its safety. The latest practice run involved actual humans testing out The Verruckt — designer Jeff Henry and ride engineer John Schooley. The two men were velcroed into the ride, which was also surrounded by nets to catch them in case they popped out. Watch the drop below: