Hear what's new at the two most popular destinations in the US as the author of the Frommer's guidebook to Disney World shares tips for making the most of your time there, and Pauline Frommer updates us on the best things to do and see in New York City. Plus, a tour guide from Greece tells us how to enjoy an authentic taste of Hellenic culture while out for a night on the town in Greece.

Join us to get a German perspective on Deutschland's recent emergence as the leading nation of the European Union, and stay tuned as our tour-guide guests take calls to help listeners plan memorable German getaways. Then get ready for your summer road trip with recommendations from Patricia Schultz, author of "1,000 Places to See in the USA and Canada Before You Die."

Italian-food expert Fred Plotkin delves into the regional dessert specialties of Italy — and divulges the whereabouts of the best gelato in the entire country. Then a tour guide from Sicily advises us how not to upset the "food police" when eating pasta. Plus, we'll get an overview of Paris's enticing array of open-air neighborhood food markets.

"Senior nomads" Michael and Debbie Campbell discuss their travels among home shares around the world — and why, after three years, they plan to keep on globe-trotting full time. And we'll hear what makes the republic of Macedonia, in the southern Balkans, one of tour guide David Willett's favorite destinations anywhere.

Author Lisa Dickey describes her recurring travels around Russia, where she explores how life keeps changing for the average local citizen. Then we'll get up to date on the newest and not-to-be-missed sights in London as a tour guide highlights the special exhibits and events luring visitors to the city this year. Plus, tour guides from Hungary, Germany, and Greece discuss how US pop culture has influenced their lives…and their views of Americans.

Genuinely "down to earth" astronaut Cady Coleman joins us to describe what it's like living and working — for months at a time — on the International Space Station, where the zero-gravity environment affects everything you do...and how circling planet Earth every 90 minutes changes your outlook on life. Plus, listeners share tales of their own unforgettable treks and travels back on mother Earth.

A tour guide from Seville explains how its annual April Fair animates her city, and anchors a season of outdoor festivals in southern Spain. Then tour guides from Britain share their favorite places to go walking in the countryside — rain or shine. And we consider how public squares can give their cities a sense of identity.

Tour guides from Spain explain the importance of local saints to this festive country's national identity. Then actor David Suchet shares what he discovered about his own religious faith while retracing the first-century travels of St. Paul. And Rick chats with art historian Miles J. Unger about the masterpieces by Michelangelo that travelers can enjoy on a visit to the artist's hometown of Florence.

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.