The most popular storyteller of our time, author James Patterson, shares insights from the people who work behind the scenes to turn Las Vegas into America's ultimate fantasy destination. And a Morocco-based tour guide recommends letting yourself be amazed by the night sky in the Sahara Desert, a view that's guided travelers for millennia.

A deep-sea diving instructor from Australia explains why he's not afraid of sharks — well, most of them. Then a Cuba travel expert looks at the places and experiences you can explore beyond Havana, as well the rules that govern travel to Cuba for US travelers. And a guide from Italy helps us step into a day in the first century, frozen in time, at the ruins of Pompeii on the slope of Mount Vesuvius.

Hear the unlikely story of how Spanish grew from a Latin dialect in northern Iberia to become one of the world's most important and widely spoken languages. Then get tips for enjoying your first trip to Spain, and for getting the most out of a visit to the Prado's massive art collection in Madrid.

Get tips for enjoying elegant, easily navigated Vienna, Austria's capital and the epicenter of a once-mighty empire. Then hear a Bosnian describe what his country, a generation after its infamous war, has to teach us about getting along with our neighbors — and why the nation is now blossoming as a travel destination. And get acquainted with the fascinating ancient structures atop Athens' Acropolis.

A tour specialist from Cairo explains how you can cruise through five thousand years of history on the Nile River in Egypt. Author Pico Iyer suggests paradise on earth might be in some of the most unexpected places. He tells us about his sojourns from the Himalayas to Sri Lanka to experience what South Asia had to show him. And hear how Sophy Roberts searched for the historic "lost pianos of Siberia," and what she actually found.

Get some travel advice from the former U.S. ambassador to Bulgaria, who recommends his favorite vacation getaways in the Balkans. Then listen in as a climate scientist describes the efforts that have worked — and some that haven't — in combatting the pollution that causes climate change…and what you can do now to make a difference. And hear how Germany's pop music has evolved to reflect a half century of intense cultural transformation.

Brighten your holidays with an international perspective on Christmas celebrations: Learn about Europe's Old World holiday traditions, and meet some of Santa's cousins, as some of Rick's friends drop by to discuss the sometimes sublime, often quirky ways they observe the season in Bavaria, Sardinia, Croatia, Stockholm, Amsterdam, and Rome. And get a taste of a tropical Christmas in Costa Rica.

Hear about why cod is so popular among the Portuguese — especially at this time of year — and get a taste of the culinary treats to try in and around Naples. Then find out how the Irish gear up for the holidays, and what listeners enjoy about traveling overseas during the Christmas season.

A columnist for the Irish Times discusses the dramatic recent changes in public opinion and attitude in Republic of Ireland, and how he's seen it become a modern, progressive nation over his lifetime. And a journalist from Utah tells us how to find some of the roadways the ancient Romans built to connect outposts of their empire — all the way to Istanbul.

A former US ambassador to Switzerland shares her insights into what makes the Swiss tick — and what their society gets right. Then an astronomer helps us imagine what sort of views we'd enjoy if we could travel to planets in our solar system. And a guidebook author from Anchorage tells us why south-central Alaska can be a fun place for a winter visit.