--- deleted contents. completely misread the op. please hold while i craft something --
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Initially, I thought you wanted to know how to view a new city (as in, freshly-created chapter 1 or 2 on a new server sort of "new"). That could be done by joining a top-750 fellowship, then forcing ElvenStats to index your city through its Fellowship page before heading to ElvenArchitect.
Going
from ElvenArchitect
to Elvenar, however? That has to be done manually. Otherwise, ElvenArchitect would have to do some spooky things like ask for your login credentials or install an extension to your browser which can then reach into your Elvenar session and do other spooky things. I want to say that allowing those things is against the game's Terms of Service, but I can't find the relevant clause. So... maybe?
Either way, ElvenArchitect doesn't do any of those things, and you have to do it the hard way, just as
@quin629 said