American Safari tour guide Tad Pierson stands beside his 1955 pink Cadillac. Visitors to Memphis can get a personalized tour that highlights the city's rich music heritage. Debbie Elliott/NPR hide caption

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Seasonal Ranger Mike Donahue (right) discuses the Battle of Little Bighorn with Jon Jones atop Custer Hill. Jim Kent/NPR hide caption

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Take a tour of the Hanford site, a nuclear production complex in Richland, Wash., and you'll see the hundreds of mechanical water pressure gauges wired to the process tubes inside the core. Tour guide Paul Vinther warns that bumping these gauges could throw off the readings enough to trigger a an emergency shutdown of the reactor. Martin Kaste/NPR hide caption

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The Banjo Billy bus tour starts and ends outside the Hotel Boulderado, at the corner of 13th and Spruce streets. Banjo shares some haunting tales from previous (and possibly still-current) guests, particularly those on the third floor and inside the still-functioning Otis elevator. Courtesy of Vince Darcangelo hide caption

toggle caption Courtesy of Vince Darcangelo

Banjo Billy's Bus Tour: History, Mystery And Bad Jokes


Boulder, Colo., is usually associated with hiking and the outdoors. But one tour guide makes the town's history come alive through humor.

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