From New York's Billionaire's Row to Asia's dizzyingly-high skyscrapers, building big comes with huge price tags. 

We’ve rounded up the most expensive, tallest towers in the world. Read on to discover the top 35 most costly skyscrapers, with all pre-2020 figures adjusted in line with inflation – though with many major cities ringed with construction cranes, it's a fast-evolving list that's likely to change soon.

All dollar values in US dollars unless otherwise stated.