Alikander99:
What exactly counts as a monumental staircase?
I note that we do have some examples of "staircases" (which could also be assigned the vague epithet "monumental") under the "double Helix" Connection, - Graz, Jam, Chambord and Statue of Liberty. Together, in this case with "non staircase" examples of Double Helices.
We certainly need to avoid getting into listing every staircase there is!! But how to (sub?)-categorise.
Are there any other unusual "types" of straircase?
The word Staircase" in English is also used for outside "steps" and Potemkin Steps and Spanish Steps are of that "type", It would seem "wrong" to mix "stairs" in buildings with these? I have tried to find a 3rd example of "Steps" which are widely known by their name - but have, so far, failed!
We could look for WHS having very "large" numbers (limits to be defined) of steps - e.g Mt Tai is said to have 7200 "steps" to the top!