Hello how may I help you? Hi, I have some questions about world records. What world records would you like to know about? Can you tell me the tallest indoor waterfall? The worlds tallest indoor waterfall is in The heart of Singapore Does it have a name? Gardens by the Bay. Can you tell me the tallest waterfall in general? Angel Falls is the tallest waterfall in the world thank you, that is what I needed to know. Your welcome.