The Ashmolean Museum in Oxford was the first ever public museum (opened 1683). It’s had a long and prestigious career. But the current building is not fit for purpose in the 21st century, so they’ve decided to give it a face lift. From the outside it will look pretty much the same, but the interior is in the process of being extensively overhauled, including the interpretation.
Here’s an article I wrote about the transformation of the museum for Museum [Insider].