The longest elevated pedestrian bridge in the world, Walkway Over the Hudson State Historic Park, rises 212 feet above the river and is easily reached by a glass enclosed-21-story waterfront elevator in Poughkeepsie. On any given day — barring high winds, thunderstorms and lightning — power-walkers, dog-walkers, bicyclists, runners, parents pushing strollers, couples holding hands and people with limited mobility navigate the flat mile and a quarter crossing.

Read more here: https://www.nytimes.com/2017/04/25/nyregion/walkway-over-the-hudson-state-park-poughkeepsie-day-trip.html?_r=1