
I generally try to avoid the pretty cliché HDR look on abandoned ruins. But, interesting as this site looks, I didn’t take a very interesting picture of it, so here goes…
…The current gatehouse replaced an older gatehouse (ca. 1842) that was located in the middle of the road at Amsterdam Avenue and West 119th Street on “Asylum Ridge.” By 1890, the Morningside Heights area was growing and the structure became an obstruction to increasing street traffic. Read more…

But it is pretty and historic and only $40,000, which must have been huge back then. Too bad it cannot be used for something now. And how does a building become an ‘obstruction’?
It was in the middle of Amsterdam Avenue.