New York, Paris, Camden – have we reached peak High Line?

When someone in your street buys a new car (or hoverboard) all the neighbours eye it up jealously. It's the same with High Lines. These sausage-shaped parks in the sky have gone from niche to mainstream – with cities around the world now desperate to own their own, knowing that visitors are wooed and wowed by them. The High Line effect, it seems, is potent.

Next year marks the tenth anniversary of the daddy of them all – the High Line on New York's West Side. The celeb-led regeneration of the railway track that threads round, over and even through Chelsea's warehouses attracts millions of travellers. It's recently been extended up into the Hudson Railyards. The High Line's vast number of visitors (plus their inevitable selfies) – no doubt coupled with the extraordinary effect it had on property prices in the vicinity – has persuaded many other places that they need their own.

But the High Line wasn't the first. Paris was playing this game as far back as 1993, with its Promenade Plantée plonked on top of an old railway line in the 12th Arrondissement.

Now they are everywhere: Sydney recently opened the Goods Line, which runs through urban Ultimo and past the UTS University building by Frank Gehry, down towards Darling Harbour, and is considering a harbourside High Line.

Not to be outdone by its rival, Melbourne is building its own two-mile elevated Skypark linking Federation Square and Southern Cross Station.

In the US, High Lines appear all the time. The Long Branch Trail has just opened in Winston-Salem and Pittsburgh is developing its answer to the NYC High Line soon too. Atlanta has its Beltline and Chicago has the 606 – both similar to the Big Apple original.

Camden, in North London, has also recently thrown its hat into the ring with the slightly unimaginatively-titled Camden High Line which it plans to run alongside the North London Railway Line between York Way in King's Cross and Camden Town.

Leeds is also trying to create the Holbeck High Line along a section of disused railway viaduct just south of the city centre - the derelict viaduct is a local landmark immediately visible to all rail travellers arriving at Leeds City Station.

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Toronto isn't content with one High Line – it's soon to have three. The Green Line and The King High Line are coming soon, while The Bentway opened in January and sits beneath an elevated section of highway, showing that different kinds of urban infrastructure can be turned into unique linear parks.

Meanwhile in Seoul, they used a redundant section of motorway and put their new Seoullo 7017 park on top. Designed by renowned Dutch architects MVRDV, it stretches for 1,000 metres over the South Korean capital's rooftops and clogged streets.

Back in New York, the Low Line project is a plan to use old tram tunnels on the Lower East Side to create a beneath the ground version of the High Line.

Some say we have reached peak High Line – but it seems like many cities still have an appetite for their own playful parks in the sky.