Presidents Donald Trump and Vladimir Putin will hold a high-stakes meeting about the Ukraine war on Friday in Alaska, which the United States bought from Russia more than 150 years ago.

Russian influence still endures in parts of the remote state on the northwest edge of the North American continent, which extends just a few miles from Russia.

When Danish explorer Vitus Bering first sailed through the narrow strait that separates Asia and the Americas in 1728, it was on an expedition for Tsarist Russia.