Hello how may I help you? Can you help me with world records? Yes, I can certainly help with world record information. What record are you looking for in particular? Do you know what the tallest indoor waterfall is? yes, the Flower Dome in Singapore has the tallest indoor waterfall. I see. What about the tallest outdoor waterfall? It is Angel Falls in Venezuela. That's what I thought. How tall is that? 979 metres Crazy! Thanks for the info! No problem. Thanks for using WR buddy