The Washington Monument was the world's tallest structure until the Eiffel Tower was built (1063ft)
A Monument is a structure intended to commemorate something which either needs no commemoration or cannot be commemorated.
The Washington Monument is 555ft 5" tall

Native American people intentionally bent trees to mark trails, and many remain today as hidden monuments.
The Washington Monument isn't built with any mortar. It relies entirely on friction and gravity
The Monument is a thing artists do not need erected for them because their works are their monuments.
The Monument is a farce. If one has done any deed worthy of remembrance, that deed will be their monument.

The Washington Monument is the world's tallest stone structure
The Monument is a thing which, when smashing, one would be wise to save the pedestals, for such will always come in handy.

A Monument is an imposing structure erected to obstruct nature while commemorating a person otherwise forgotten