I was disappointed in Niagara -- most people must be disappointed in Niagara. Every American bride is taken there, and the sight of the stupendous waterfall must be one of the earliest, if not the keenest, disappointments in American married life.

Summary

The quote expresses the disappointment that many people feel when visiting Niagara Falls, highlighting that even American brides who embark on this common honeymoon destination are likely to feel let down. It suggests that even though the waterfall is regarded as a majestic natural wonder, the actual experience fails to live up to the high expectations set by its reputation. Thus, the quote implies that Niagara Falls is often a source of disillusionment, particularly in the context of American married life.