Hello how may I help you? I got questions! Can you answer? I can do my best. What kind of questions? Factual I can help with factual questions. Great! Where is the tallest indoor waterfall? The tallest indoor waterfall is at the Lots of Splashes public swimming pool in Manitoba, Canada wowww I gotta check it someday Sure thing. Can I help you with anything else? Yes, where is the tallest outdoor waterfall? That would be in the Great Gorges lake, in Bolivia, South America great thanks bot!