Jeff Greenwald, author of the brilliant travel memoir "The Size of the World: Once Around Without Ever Leaving the Ground" was today's guest.

In the course of the conversation, he discussed:

-What the ideal travel companions are

-What it's like to travel by freighter

-The mysteries of the Dogon people of Mali

-A moving encounter with novelist Paul Bowles in Morocco

-The many meanings of pilgrimage

-The Lhasa Valley in Tibet

And much more.

The Frommer's Travel Show was named one of the 13 best for travel by the New York Times. It is a weekly podcast, hosted by Pauline Frommer, daughter of Frommer's guidebooks founder Arthur Frommer, and President of Frommer Media LLC.