aris has the Louvre. London has the Tate Modern, and New York the Metropolitan Museum. But Husavik, Iceland—a diminutive village on the fringe of the Arctic Circle—boasts the world’s only museum devoted exclusively to painstakingly preserved male genitalia. Founded and curated by Sigurður “Siggi” Hjartarson, the Icelandic Phallological Museum houses four decades worth of mammal...