'The Dancing Waters' at Bingley Hall?
Must have been mid to late 60's as we were still kids. Dad loved it and took us twice.
was just Googling for info about the Dancing Waters there and found this
1886: "World's Fair at Bingley Hall which mentions an animal menagerie...
there's also something about the Onion Fair on the page.
https://www.dancingwaters.com/