https://news.nationalgeographic.com/2015/11/151105-gaudi-sag...

Also, from other threads in these comments:

https://en.wikipedia.org/wiki/Dresden_Frauenkirche#Reconstru...

https://www.bbc.com/news/uk-england-york-north-yorkshire-281...

With increases in wealth and technology, we could see even more monumental projects implemented by only fractions of society. Then, there's also China. There are serious proposals for China to unilaterally dig a tunnel to Taiwan. I suspect they're also serious about long term colonization of the Moon and Mars.