I'm not sure where to put this, but here is an article about 12 plans for various cities that never came to fruition:
https://www.insider.com/what-major-...e-2019-6?utm_source=quora&utm_medium=referral
At one point people seem to have thought that airports should be in the center of the city.
https://www.insider.com/what-major-...e-2019-6?utm_source=quora&utm_medium=referral
At one point people seem to have thought that airports should be in the center of the city.