Yes - the Legoland city skylines of NY and San Francisco are very impressive. They blow everything else away. Of course the builders get paid to create them and they get an unlimited supply of free bricks (unlike the rest of us amatures).
I recently rebuilt my David Stott Building (it is now more accurately proportioned and now has 37 floors - the same as the real building)

(I took this photo:
http://www.flickr.com/photos/decojim/2446330124/)

(I took this photo:
http://www.flickr.com/photos/decojim/2446329658)
I have not built anything new lately, but maybe I will use the Economic Stimulus check to pay for the ground floor of the Guardian Building!