We hear why the city of Potsdam — home to elegant Prussian palaces and parklands, all in quick reach of central Berlin — is worth a day's visit. Then we get a sense of what life was really like for the emperors of ancient Rome, with the help of classicist Mary Beard. And we travel back to 1978 with Rick and his longtime buddy Gene Openshaw as they retrace their post-college adventures along the infamous "Hippie Trail" from Istanbul to Afghanistan to India, all the way to Kathmandu. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.

A tour guide from Orvieto explains why his Umbrian hill-town home is well worth a stop on your Italy itinerary. Then a rail enthusiast looks at train travel in Europe and beyond and considers how — and why — the US set off upon a different track. And a British journalist takes us along as she rides the rails on a lively journey across India. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.

The Grand Tour was a rite of passage for the aristocracy, and the adventuresome spirit behind it lives on in modern European itineraries. A longtime travel publisher traces the evolution of this fantastic voyage. Then Rick Steves' Europe guidebook researcher Cameron Hewitt takes a look back on the ways travel has evolved over the past quarter century. And as the Sagrada Família stretches ever closer toward completion, one of the project's architects helps us understand what Gaudí's ambitious creation means to Barcelona and Catalonia. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.

Debbie and Michael Campbell, aka the "Senior Nomads," offer listeners their expert advice on traveling full-time during retirement. And tour guides from Britain, Poland, and Germany reflect on how politics and media shape public conversation about current events within their own and neighboring nations. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.

An American expat in Oslo shares some of the quirks and customs of life in his adopted home. Then, a wilderness and history author recounts what he found exploring four blank spots on the US map. And an ethnobotanist describes the healing properties of different kinds of herbs around the world — some of which might be growing in your own backyard. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.

Tour guides from the north and south of Ireland let us in on their picks for sights and experiences that will make a first trip to the Emerald Isle a memorable one. Plus, an Irish American singer explains the importance of music to the Irish and how the island's history is found in its folk ballads and songs. For more information on Travel with Rick Steves - including episode descriptions, program archives and related details - visit www.ricksteves.com.