Description Only one person has ever sailed Vertically Around the world--Adrian Flanagan.
Flanagan became obsessed with the idea of sailing Vertically Around the world--Over the poles--as a boy, before he even knew whether it.
However, hundreds of sailors have nevertheless managed it.
Sailing Around the World horizontally is difficult enough, crossing thousands of miles of ocean only to get near land at the Capes battling treacherous currents.
And he did it singlehanded.
Description Only one person has ever sailed Vertically Around the world--Adrian Flanagan