The bridge now known as the Walkway Over the Hudson opened in 1889 as the Poughkeepsie-Highland Railroad Bridge. The linear walkway opened 2009 spanning the Hudson River. At 212 feet tall and 1.28 miles long, it is the longest, elevated pedestrian bridge in the world. Open year round weather permitting. (845) 454-9649. From Poughkeepsie, off Route 9G Parker Ave; From Highland, off Haviland Rd. www.walkway.orgĀ