Annette Joseph-Gabriel talks about Eslanda Robeson who, in addition to being a political activist with her husband Paul Robeson, was also a chemist, anthropologist, and epic traveler.

Art historian Fran Altvater talks about the Medieval Pilgrimage, a practice that became central to Christian Europe in the early Middle Ages.

Journalist Scott Wallace talks about a 2002 expedition into Amazon to find the Arrow People, one of the world's last uncontacted tribes. Wallace is the author of The Unconquered: In Search of the Amazon's Last Uncontacted Tribes.

Our conversation with Sarah Pickman continues about the literature of exploration. It focuses on some new categories of exploration books not commonly seen in indexes and bibliographies.

Doctoral candidate Sarah Pickman talks about studying exploration for her qualifying exam: specifically what it's like to read three hundred books and articles and then discuss them in front of a committee of professors.