Saudi Prince al-Walid bin Talal aims to build a tower in the desert twice as tall as the current tallest building in the world.

It’d be built in a new city near the Red Sea port of Jeddah, according to the Daily Mail. The height is put at 5,250 feet, just shy of a mile (5,280 feet). That’s sea-level to Denver, folks.

The project, if built, would outdo anything under construction even in the runaway boom city of Dubai (the Burj Dubai will be 2,625 feet when completed).

You have to wonder how long all this reaching for the sky will last, though, and whether a mile-high tower isn’t just a bit of pie in the sky, engineering-wise. Two towering mini-buildings would be included for stability. Workers would commute to the job by helicopter, it’s said.

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