Close to where I grew up there is the Nördlinger Ries https://en.m.wikipedia.org/wiki/N%C3%B6rdlinger_Ries https://en.m.wikipedia.org/wiki/N%C3%B6rdlinger_Ries.

Close to where I grew up there is the Nördlinger Ries https://en.m.wikipedia.org/wiki/N%C3%B6rdlinger_Ries https://en.m.wikipedia.org/wiki/N%C3%B6rdlinger_Ries. It looks pretty obvious on maps and when we made school trip there I was really disappointed that you have to look really hard to recognize it. I thought it would look like the meteor crater in Arizona.