<p>Two Dutch tour guides help us get the picture on what's new on Amsterdam's eclectic exhibit scene. Then a Blue Badge guide lets us in on where to go in London to see the exciting ways the venerable city is reinventing itself. And a journalist delves into the inexact science of borders and ponders the complicated relationship between physical geography and national identity.</p> For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.