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.

Two German tour guides let us in on the back story behind Berlin's most memorable monuments to their country's turbulent history. Then two Turks tuck into a discussion of the traditional Turkish street eats, comfort foods, and desserts they recommend for a tasty visit to Istanbul. And an American who met — then married — a local artist in Bhutan shares tips for surmounting the logistical hurdles of visiting this remote Himalayan kingdom.

Travel Channel host Oneika Raymond recommends her favorite Miami neighborhoods to explore on a sunny getaway. Then friends from Scotland discuss the uniquely Scottish cultural icons that reinforce the small nation's strong sense of identity. And just in time for Burns Night, Perthshire-based troubadour Jim Malcolm explains what Robert Burns' poetry means to his compatriots — and sings some favorite Burns tunes.

Consider three distinctly different styles of historic European cities as we hear how Bristol has transformed itself from an industrial and maritime powerhouse into a creative center for the southwest of England — and how it rewards visitors who set aside at least a day for this city just a half-hour from well-touristed Bath. Then learn from a local about how the Catalan culture of Barcelona sets it apart from the rest of Spain. And discover what visitors have enjoyed for centuries along the cobbled medieval streets of the beautifully Belgian burg of Bruges.

The author of a guidebook to Costa Rica discusses what the phrase "pura vida" conveys amid the tropical abundance of her adopted Central American eco-paradise. Then a Morocco expert and fellow guidebook writer recommends the best cities for immersing yourself in the Old World atmosphere of Morocco's intimate, car-free medina neighborhoods. And fellow listeners call in to share how their passions and hobbies have provided a framework for memorable overseas travels.

The "world's leading snowman expert" joins Rick to explore the somewhat dark — and certainly cold — origins of the tradition of building snowmen, and what Frosty and his ilk have come to mean across different societies. Then two Rome-based tour guides unpack some of the cultural treasures crammed into the world's tiniest country, while sharing tips and secrets for a successful visit to Vatican City amid the Jubilee-year pilgrimage that's sure to keep the city packed throughout 2025. And to welcome the new year, two France experts raise a glass to Champagne — both the bubbly and its region of origin — before Scottish tour guides revel in describing the lively New Year's Eve traditions they observe in Edinburgh as "Hogmanay."

Rick gathers some old friends to hear about their childhood Christmases in Spain, Italy, and New Mexico. Then he brings in more friends to describe what you're likely to find this time of year in Austria, Australia, Japan…and Antarctica. Plus, a Brit from Bath explains how the English tradition of wassailing developed as a way to guarantee a good apple harvest — or at least an occasion to enjoy a warm drink with neighbors.

Old World traditions — fasting, feasting, incense, and song — make Bulgaria's Christmas season special, and tour guide Stefan Bozadzhiev invites us to imagine it with him. Then an Istanbul guide updates us on the latest big news in Turkey's cultural capital, and a culinary historian inspires us to peruse our spice racks as she discusses the often surprising origins of the eight flavors that unite America's diverse cuisines.