The Northeast Alliance for Rail  http://www.northeastallianceforrail.org/corridor/

Unfinished Railroads of New York State      
 http://russnelson.com/unfinished-railroads.html

Ticonderoga branch of the D&H  http://www.tibranch.com/tibranchmain.html

Trains on DeviantArt            
 http://the-railfan-nation.deviantart.com/
 http://model-railroaders.deviantart.com/