Program 534a: Crete; Alaska's Tip of the Iceberg; Darwin Comes to Town

A Dutch biologist explains how urban evolution is happening faster than we used to think all over the world. Plus, travel writer Mark Adams describes his 3,000-mile voyage along the coasts of Alaska to follow what the Harriman Expedition saw in 1899. And we'll hear how the Greek island of Crete offers a natural experience unlike any other.

• Anastasia Gaitanou, Greek tour guide  
• David Willett, tour guide expert on ancient Greece
• Mark Adams, author of "Tip of the Iceberg" (Dutton)
• Biologist Menno Schilthuizen, author of "Darwin Comes to Town" (Picador)

• Rick writes about visiting the Gorge of Samaria on Crete.
• David Willett can be reached about his custom guiding through his LinkedIn page.
• Anastasia Gaitanou is a member of the World Federation of Tourist Guides Association.
• Mark Adams describes his 3,000 mile journey on the Alaska State Ferry system, to retrace the route of the 1899 Harriman Expedition, in his book "Tip of the Iceberg."
• Mark Adams discusses the challenges of hiking to Machu Picchu on Travel with Rick Steves program #480, and his search for evidence of the legendary lost city of Atlantis on program #501.
• Biologist Menno Schilthuizen is the author of "Darwin Comes to Town."
• Menno also leads eco-tourist adventures with Taxon Expeditions, in which “citizen scientists” discover and name new wildlife species in the jungles of Borneo