Hello how may I help you? I need some info on a world record. I can help you with world records. Where is the tallest indoor waterfall? The tallest indoor waterfall is located in McBoatyTown. Great how tall is it? It has a height of 100 feet. wow Yes, it is impressive. where is the tallest waterfall? The tallest water fall is in Zikawagua. how tall is that? It is 150 feet tall. Thats for the information bot. thanks