Arden Point and Glenclyffe in Philipstown, New York
Starting at the metro north Garrison train station, this hiking trail has various unique parts. During the first leg, you will find what appears to be an abandoned entrance to a building, in the form of a brick wall with door/window openings covered in vines and graffiti. Second leg you cross over a pedestrian bridge above the train tracks to Arden Point for various views of the Hudson River…
We haven't written up this one. Atlas Obscura has the full story — the link below goes straight to it.