videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Point-of-view aboard Hornblower Niagara Cruises Niagara Falls boat tour, Onguiaahra: Sound & Light Show, Onguiaahra: Thunder of Waters Sound & Light Show