Schlitterbahn is world famous for its innovative water parks. The flag ship location in New Braunfels, Texas made headlines last decade when it unveiled the “Master Blaster,” the world’s first uphill water coaster. But Schlitterbahn’s latest project may be its most ambitious yet. The Verrückt, which appropriately enough means “insane,” is a 17-story water slide that designer Jeff Henry promises will be the tallest, fastest and steepest water slide in the world.