Skyrim has plenty of Easter Eggs in it. That's just one of the obvious ones.
Here's more: http://www.uesp.net/wiki/Skyrim:Easter_Eggs and http://elderscrolls.wikia.com/wiki/Easter_Eggs_(Skyrim)
Here's more: http://www.uesp.net/wiki/Skyrim:Easter_Eggs and http://elderscrolls.wikia.com/wiki/Easter_Eggs_(Skyrim)
And for the City... I agree with the ones who say its based on history nordic style cities. And idilic version, but based on it.