Road trip alert: The weirdest fast-food landmarks across the USA

Billboard, near Dillon, South Carolina; 1986. (John Margolies’ Photographs of Roadside America) Public Domain

American highways harbor some of the country's most unusual fast-food landmarks, from a palatial McDonald's mansion to a UFO-themed burger joint in Roswell, New Mexico. These quirky restaurants, as listed on Atlas Obscura, can make a trip to get …