On this day in 1973, a couple in Murphysboro, Illinois reported seeing a tall, hairy, extremely smelly creature that over time became known as The Big Muddy Monster. But what the heck was it? Plus: today is the anniversary of Elvis Presley's final concert. And yes, there's a historic marker on the site.
It’s day one of the Roswell UFO Festival in New Mexico. Whatever happened there in 1947, the incident put Roswell on the map - and other towns that have their own UFO stories have been increasingly playing up those stories, including through historic markers.