Hear why one writer chooses to invest the time in crossing America by train instead of hopping a quick flight. Then discover what taking high-definition photos of Earth from space revealed to a veteran astronaut. And get inspired to view the Renaissance treasures of Florence.

A master stonemason considers the great sites of Europe and shares what these enduring structures can teach us about permanence, craft, and human ambition. Then an Italian tour guide sheds light on the Dolomites, the spectacular setting where Italian, German, and Ladin traditions meet. Plus, an aficionado of American road trips tells us about efforts to revitalize historic Route 66 as a national heritage trail.

Celebrate Bastille Day with French guides. They'll explain the impressionist techniques perfected in the early 20th century, provide insider advice for designing the perfect Parisian itinerary, and help tackle the immense collection at the Louvre.

A chef and cookbook author takes a look at idioms that are shared across diverse languages. Then the head of the Rock & Roll Hall of Fame and Museum updates us on what's happening this summer at Cleveland's top attraction. And the late historian David McCullough reflects on the Wright brothers and how their dream changed the world.

Hear about making family memories in western Canada along the historic Rocky Mountaineer train line. Explore the Gulf Islands in the Salish Sea. Learn more about confronting culture clashes in overseas travels. And discover the best local crafts in each of the 50 states.

Hear how the US Civil Rights Trail, with 100 stops across 14 states, was organized to help all Americans get an up-close look at the movement to dismantle Jim Crow laws across the South. And listen in as ecologist Chris Morgan describes changes he's observed on Norway's Svalbard archipelago — halfway between the mainland and the North Pole — which indicate how our warming climate is a threat to life in the Arctic.

Three American-born tour guides who have settled in Europe tell us what it's like to make a new home in a foreign country. Then, a lifelong resident of Italy's Veneto region helps us explore the Venice Lagoon as an ever-changing ecosystem shaped by climate change, local history, and the distinct cultures of its islands.

Join us for a special hour with American author and environmental activist Terry Tempest Williams as she invites us to consider the interconnectedness of the natural world, and discusses what we gain from recognizing and engaging with all that's around us — including a heightened appreciation of the good in our world.