Barrow, Alaska is the Northernmost U.S. town but 9 miles to the northeast of Barrow is Point Barrow, the northernmost piece of United States land.
Capes, Geographic Extremes
(You can see the cape colored mostly purple-ish and a little green. The dark blue extending northward begins at the Point and is open water surrounded by ice. The ice extending to the southeast is the Elson Lagoon.)