Berkeley

Extreme Geographical Points of the United States

Northernmost point: Point Barrow, Alaska 71�23′ N 156�29′ W
Easternmost point: West Quoddy Head, Me. 44�49′ N 66�57′ W
Southernmost point: Ka Lae (South Cape), Hawaii 18�55′ N 155�41′ W
Westernmost point: Cape Wrangell, Alaska (Attu Island) 52�55′ N 172�27′ E

~~They forgot: Liberal Most point: Berkeley, California. 37.8674� N, 122.3008� W.
Of course, I might also argue: Most Interesting, Most Diverse, and Most Likely to get into a minor traffic accident. But those were just too damg long.