100% of the credit for what I am about to share goes to Ryan Cooper (aka @maptastik), but I thought you all would enjoy this!
Ryan created a aerial photography comparison “widget” for Raleigh. You can pick a historical photo of the city and compare it against modern aerial imagery on a side by side basis.
Here is the link: raleigh-historoscope.vercel.app
Here is a thread with some more technical stuff on how he came up with it: https://twitter.com/OakCityCRE/status/1339649235617198083