791 Scottish Castles; Mars on Earth; Checking In

Scottish tour guides tell us about the most famous castles in a country that's brimming with the imposing structures. Then a Santiago-based American travel writer embarks on a 1,200-mile odyssey through one of the driest places on earth — Chile's Atacama Desert — as he searches for a deeper understanding of his adopted homeland. And listeners call in to share stories and find inspiration for their next travel adventures.