Rick marks 20 years of his radio show by revisiting some memorable guests and what they've taught us about travel. Then author Paul Theroux celebrates his 84th birthday as he contemplates the passage of time in his new short-story collection, "The Vanishing Point." And actor Martin Sheen describes how his experiences filming overseas have come to influence his political activism.

• Excerpts from past interviews with Willie Weir, David Sedaris, Maeve Higgins, Lord Alderdice, Terry Tempest-Williams, Gloria Steinem, Pico Iyer, and Cady Coleman
• Author Paul Theroux
• Actor Martin Sheen
• Gene Openshaw, co-author of the Rick Steves art guides and the "Rick Steves Art of Europe" TV series.

• Paul Theroux's latest collection of stories is called "The Vanishing Point."
• Paul Theroux has had many previous visits with us on Travel with Rick Steves. You can listen to archived podcasts in our show archives, as he talks about his novel "Under the Wave at Waimea" on program #640 in 2021. Paul tells us more about what he found in his travels on program #660 and program #614.
• You can also look in the show archives for Rick's interviews with Paul Theroux on road trip encounters across the American Deep South on program #445A from October 21, 2017, and across Mexico on program #589 on January 4, 2020. Paul describes the experiences behind his book "Dark Start Safari" on program #252A from August 2012 and his work in the early years of the Peace Corps in Africa on program #237 from March 2011.
• Rick spoke with Martin Sheen and his son Emilio Estevez about the value of travel, in this video feature that was included with the re-release of their movie "The Way."
• Information about Martin Sheen's career, personal life, and political activism, is included on his Wikipedia page.
• "The Way" was originally released in 2010. The revised 2023 version is available to watch on multiple streaming services, including Peacock. Martin and Emilio talked about it with Rick on program #713 in 2023.
• Gene Openshaw is Rick's co-author on the TV series "Rick Steves Art of Europe" and the book "Europe's Top 100 Masterpieces."
• Rick and Gene ventured "On the Hippie Trail" in 1978, which is the topic of Rick's latest book.