Hello how may I help you? Yes I need info about a world record. I can help with that. What would you like to know. Where is the tallest indoor waterfall located? The tallest indoor waterfall is located in Dubai. What is it called? It is called the Golden Falls, and is located in the atrium of the Sky Center resort. Also, what is the tallest waterfall? The tallest waterfall is Niagra Falls. Great. That is all I needed. Thanks bot. You're welcome, have a great day.