How a derelict Manhattan freight railway became the world's most famous elevated garden
In short: Once a dangerous industrial artery known as Death Avenue, this abandoned rail viaduct was slated for demolition until a grassroots movement reimagined it as a public greenway. Today, it serves as a living laboratory for landscape architecture, blending wild, self-seeded aesthetics with curated urban design and rotating contemporary art.
The High Line’s transformation began in 1999, when Joshua David and Robert Hammond founded Friends of the High Line to prevent the destruction of the 1.45-mile elevated structure. Inspired by Paris’s Coulée verte and Germany’s Landschaftspark Duisburg-Nord, the group successfully lobbied to preserve the viaduct, which had been effectively abandoned since 1980. By 2005, the city had secured the corridor through federal railbanking, and construction on the park began in 2006 under the guidance of a design team including James Corner Field Operations, Diller Scofidio + Renfro, and Dutch horticulturist Piet Oudolf.
The park’s design philosophy emphasizes a seamless integration between hardscape and nature. Oudolf curated a landscape featuring roughly 100,000 plants across 400 species, utilizing naturalized techniques that mimic the wild, drought-tolerant flora—such as sumac and rugged grasses—that colonized the tracks after the trains stopped running. The path itself, composed of pebble-dash concrete, is designed to allow greenery to bleed into the walkways, creating what designers call an intimate choreography of movement. This aesthetic has turned the park into a global icon, sparking urban redevelopment and rising real estate values in adjacent neighborhoods.
Beyond its botanical appeal, the High Line functions as a significant cultural venue. Through its High Line Art program, the park hosts temporary installations, performances, and sculptures, such as the Plinth, a dedicated space for rotating commissions like Iván Argote’s 2024 pigeon sculpture. The park’s evolution continues with recent expansions, including the 2019 opening of the Tenth Avenue Spur and the 2023 completion of the Moynihan Connector. Despite its success, the project remains rooted in its industrial history, with original rail tracks and ties preserved throughout the site to remind visitors of the structure's former life as a freight line that once served Manhattan’s factories.
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Sources
- Summary by Intellect · source: High Line
- Also: Art Institute of Chicago — Ken Robson's Christmas Tree, from the series "Walking the High Line" · CC0 (data); description CC BY 4.0
- Also: Art Institute of Chicago — A Railroad Artifact, 30th Street, from the series "Walking the High Line" · CC0 (data); description CC BY 4.0
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