I guess I have no preconceived notions when I travel somewhere, since I have never really been disappointed in a particular location. Perhaps some are more interesting than others, but I guess it depends on what I want for a holiday.
Vegas - I expected over-the-top and that's what was delivered. We walked miles an miles just looking and people-watching. Neither of us are gamblers. We never did find a buffet though! They seemed well hidden.
I have no desire to do Disney themed parks; too hot, too crowded, waiting in lineups for rides and expensive food. Maybe I will go one day with granchildren and enjoy it because it will be better than I thought!
Loved Paris, it was magical for us!