I don't see why this argument doesn't apply equally well to the Liberty Bell, the Declaration of Independence, or any other remains of our history. Or will they simply become failures when the U.S. falls, as it eventually will?
These part of the culture that didn't survive, these failed parts of that culture, although they satify the intellectual curiosity of people like you, are worth nothing in any practical sense.
Horse$4!#. Those antiquities were worth real money. But beyond rude lucre, there are few intellectual pursuits that are as practically valuable as the study of history.