Despite all this, Greenland remains strictly off-limits to buyers. Denmark and its non-US Nato allies have repeatedly stated the island is not for sale, no matter how much is on the table.

Recent opinion polls have revealed most Greenlanders oppose any sale to the US and favour independence from Denmark, prioritising autonomy over economic gain. For now at least, the world's largest island is truly priceless, a non-negotiable frozen treasure that money simply cannot buy.

Now take a look at the richest world leaders of all time

Why Greenland is so valuable and what it's potentially worth