Suppose I want to know what the best location in the world, or in some region, is. Naturally, I am using some objective definition for "best", to make sure the question has an answer. For example,
Which summit in the Alps above 4000 m is the closest to a place which I can reach with a 4x4 drive vehicle?
Where is the world's longest non-technical scramble of average steepness more than 30°?
It seems on topic, but could be problematic to answer if not obvious, and problematic to verify. Also, usefulness of such questions may be limited, but also may be too broad, making them more suitable for the Wikipedia.
So, are such questions on-topic here?