Adam: What's Ottawa going to have to show for the 150 birthday bash?

There’s no doubt Ottawa will throw a grand party to mark Canada’s 150th anniversary, and despite misgivings about the quality of the events, locals and visitors alike will have a good time.
But after all is done and the visitors go home; after people sober up from partying and the razzmatazz wears off, what would be left in Ottawa to remember about this significant milestone? A month from then, five years from then, what can the city point to as its definitive memorial to 150 years o