Jaw-Dropping: The Most Expensive Bridge Projects in the World

9. The Upper Line

Situated in Manhattan, New York City Founded in 2009; Expensed at $152.3 million* The High Line is an elevated linear park, rail route, and greenway that is situated in Manhattan, New York City. To create the High Lane, a former NY Central Railroad spur was converted. The abandoned spur was remodeled as a "living system" by James Comer Field Operations, Piet Oudolf, and Diller Scofidio + Renfro. The 2009 opening of the High Line has made it a symbol of the modern landscape.

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Shutterstock, SolieT, and The High Line The 2.9-mile-long Promenade Plante in Paris, which converted a railway into a park in 1933, served as an inspiration for the designers. Old railroads in American towns have been repurposed into stunning, environmentally friendly urban parks thanks to The High Line. Every year, eight million people visit the High Line.