There have been many radio shows about travel, some examples include:

• "Travels with Rick Steves," a long-running radio show and podcast hosted by travel expert Rick Steves, which features destination information, travel tips, and interviews with travel experts.

• "The Travel Show," a BBC Radio 4 program that provides information and inspiration for listeners planning their next holiday or trip abroad.

• "The Travel Guys," a weekly travel radio show that has been on the air for over 20 years and features travel news, tips and information.

• "The Savvy Traveler," a nationally-syndicated public radio show that ran from 1997 to 2013 and explored travel destinations, cultures and the business of travel.

• "The Travel Detective" a radio show hosted by Peter Greenberg, an Emmy award-winning investigative journalist, and travel expert

One of the most popular and well-known travel podcasts is "The Lonely Planet Travel Podcast." This podcast features interviews with travel experts and destination specialists, as well as stories from travelers and travel writers. It covers a wide range of travel-related topics, including destination information, travel tips, and personal experiences.