World’s Tallest Waterslide Test Ride. German for “the Crazy”, the Verrückt, a 168-foot water slide featuring a 50-foot drop, is taller than Niagara Falls and the previous water slide record holder, Kilimanjaro in Brazil. PrevNext Facebook Related Posts Whe Her Husband Of 7 Years Walks In The Door, He Never Saw THIS Coming! This Guy Taught Pissing Cats A Lesson and Its Hilarious! What This Kid Does On A Bike Is Amazing.