Posted: August 14, 2019 at 3:42 pm TWG Source The World’s Tallest Water Slide Was a Terrible, Tragic Idea At nearly 169 feet tall, Verrückt—which means “insane” in German—was taller than Niagara Falls. Riders flew down the world\’s tallest water slide at 70 miles … Leave a Reply Cancel replyYou must be logged in to post a comment.