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.

Journalist Oneika Raymond reveals the top countries where, as a black woman traveling solo, she feels a cultural appreciation and connection. Then the head of Bread for the World describes how the organization's advocacy work has stepped up its efforts in the face of cuts to government aid programs. And tour guides from Poland give us a look at how the country is modernizing, while retaining what makes it uniquely Polish.

A travel writer shares how a trip to Antarctica helped him see that continent through the eyes of the early polar explorers. Then a reporter focused on climate change and conservation explains how some North American tree species are migrating to survive the planet's rising temperatures. And two Italy-based tour guides take us to the resort lakes of northern Italy, where the glamour extends beyond the natural scenery.