As part of Open House Dublin, which runs from October 4th to October 6th, you can get a chance to tour the old terminal building at Dublin Airport.
The old terminal building was finished in 1940 and was in active service until the airport outgrew it.
It’s normally closed to the public, but if you’re in the Dublin area you can apply for one of the tours here.
And for fun here’s an old newsreel covering the construction work:
[…] Tours Of Dublin Airport’s Old Terminal Building […]