In ancient Athens if a citizen was accused of killing another citizen, he would be brought before the Areopagus, the highest court of law, and might face the death penalty. If the citizen was accused of killing a resident alien, a slave, or a foreigner, he was tried in a lower court, the Palladion, and faced, at worst, exile.

While on his American lecture tour in 1882, Oscar Wilde drank elderberry wine with Walt Whitman; saw Niagara Falls, later noting, “Every American bride is taken there, and the sight of the stupendous waterfall must be one of the earliest, if not the keenest, disappointments in American married life”; read aloud passages from Benvenuto Cellini’s autobiography to miners in Colorado; and witnessed a lynching in Louisiana.

Having come to the U.S. through Portugal, French pilot Antoine de Saint-Exupéry wrote and illustrated part of The Little Prince—one of the best-selling works of fiction of all time—in a twenty-two room mansion on Long Island in 1942. “I wanted a hut,” he reflected, “and it’s the Palace of Versailles.”

“To travel is to discover that everybody is wrong,” Aldous Huxley wrote, en route to Borneo, in his travelogue Jesting Pilate. “The philosophies, the civilizations, which seem, at a distance, so superior to those current at home, all prove on a close inspection to be in their own way just as hopelessly imperfect. That knowledge, which only travel can give, is worth, it seems to me, all the trouble, all the discomfort and expense of a circumnavigation.”