Author Mark Adams shares what he learned about Incan history while trekking to Machu Picchu, just a century after it was revealed to the outside world. Then author and radio commentator Sarah Vowell explains how Revolutionary War hero Marquis de Lafayette helped unify Americans after the contentious presidential election of 1824. And Rick checks in with tour guides from Edinburgh to get tips on visiting Scotland's whisky distilleries.
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Travel with Rick Steves