Boulevard Under The Sea

Back when New York City planners were dreaming of building new tunnels and bridges, they set their sights toward Staten Island. It was the turn of the 18th century and the city was in the midst of a Brooklyn boom following the debut of the Brooklyn Bridge in 1883. In 1909, the Manhattan Bridge opened to accommodate the growth of Brooklyn residents who needed ways to get in and out of the newly-developed borough. So the city started thinking about Staten Island. Today, of course, the two boroughs are connected by the Verrazano Bridge. But according to Brownstone Detectives, "Before talk of a bridge began... there was talk of a grand tunnel."
Learn more about the tunnel and why it never came to be