1. Glenwood/Yonkers Power Plant

Glenwood Yonkers power plant interior

Seven miles north of the Manhattan stands the ruin of the Glenwood/Yonkers power station, once associated with the New York Central and Hudson River Railroads. Interior demolition has begun, with plans to convert it into a hotel and conference center. See photos from 2012 and 2013.

Bonus: 7 Abandoned Subway Stations and 9 Abandoned and Incomplete Subway Platforms and Levels