So are huge numbers of Victorian, Edwardian and earlier things now under some form of preservation order, in a museum, or having had a museum built around them.

So are huge numbers of Victorian, Edwardian and earlier things now under some form of preservation order, in a museum, or having had a museum built around them. Same for much of the early years of flight, wartime structures and camps, the list is extensive. I guess the first manned space flights aren't significant enough to be considered "important"?