Actress Joanna Lumley details her trip of a lifetime: a 4,000-mile trek up the Nile River all the way to its source, the swampy highlands of Rwanda. We'll hear how the river's personality varies over its course — past Cairo and Luxor, through Sudan and Lake Victoria — and about the sights she saw and people she met along the way. Plus, listeners share surprises they encountered on their own memorable adventures around the world. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.