Actress Joanna Lumley details her 4,000-mile trek up the Nile River to the river's fabled source in Rwanda. Joanna shares what she learned from people she met while filming a documentary about the trip, and describes her ride to the pyramids on one very fine camel. And TV host Samantha Brown tells Rick how she keeps herself from stressing out over what could go wrong in her frequent travels.

For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.