I remember visiting the Horniman Museum on a school trip jn about 1980; had a good day but I remember it mainly for managing to get stuck in the revolving door on the way in.
London's hidden museums and libraries
The quirkier and unsung enclaves of curios in the capital
A 25-foot Alaskan totem pole outside the main entrance gives a clue as to what’s in here: a wealth of quirky anthropological and natural history treasures. You can while away hours perusing the place, but the Grade II-listed natural history gallery – refreshingly devoid of computer touchscreens – possibly contains the most memorable: a comically overstuffed walrus (the work of an over-zealous 1880s taxidermist).