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My favourite historical map resource on the internet is the National Library of Scotland's georeferenced side-by-side viewer: https://maps.nls.uk/geo/explore/si

My favourite historical map resource on the internet is the National Library of Scotland's georeferenced side-by-side viewer: https://maps.nls.uk/geo/explore/side-by-side/#zoom=5&lat=56.00000&lon=-4.00000&layers=1&right=ESRIWorld https://maps.nls.uk/geo/explore/side-by-side/#zoom=5&lat=56.... View a variety of historical maps on the left, with the same area "now" on the right, with the pointer synced between the two sides so that you can trace roads, building outlines, etc.

scoot 5y ago
Neat! On zooming in on the UK, I landed mostly by chance on Gatwick Airport, only to discover that it's built on the site of a former racecourse. A quick web search brought me to the Wikipedia page with a potted history of said racecourse, and how Gatwick has named various features after it. Fascinating. Also, don't miss the swipe view...