If you want to commit the perfect murder, why is Yellowstone National Park the place to do it? And what are the seven natural wonders of the world? Hear answers to those and other questions on the Off Ramp with Bob and Marcia Smith (Photo: JibJab) https://chrt.fm/track/E1F5AD/http://feeds.soundcloud.com/stream/861262186-theofframp-just-the-facts-trivia.mp3
