I've done what I can to include the building in the PoIs section, but I don't think I have enough to justify an entire article on the subject. It probably meets general notability criteria and deserves an article, but I didn't have the energy to create it.
Y Add section covering points of interest in the park (and combine with heritage item list).
Y Add a gallery of historical photos of the park (and dig some up from archives).
This extension is particularly useful if you're into cleaning up a page's citations — for example, if you're weird like me and spend time trawling through pages with bare URL references to try to fight link rot.