An easily accessible glimpse into New York and New Jersey’s industrial past is through the abandoned Central Railroad of New Jersey Terminal in Liberty State Park. Forming a beautiful architectural triumvirate with Ellis Island and the Statue of Liberty, the interior of the terminal has been renovated. Many of the old signage was retained and the overgrowth on the tracks is quite beautiful. Get to Liberty State Park via ferry from World Financial Center or PATH train + taxi.
Deep under old New York, lies abandoned platforms, train tracks and entire train stations. Some, maybe glimpsed by passengers on some lines, others lay hidden behind doors or flights of stairs. The most startling, is the terminal which rests beneath City Hall Park, an opulent and beautiful show-piece, but deserted and largely forgotten since the 1940s. New York, NY. http://tribecacitizen.com/2013/03/14/inside-the-old-city-hall-subway-station/