It's apparently Fortean Friday over at CNN where they share a handful of unusual natural curiosities and mysteries like "Magnetic Hill" in New Brunswick, spherical boulders in New Zealand, the "sailing stones" that creep along Death Valley, and the "Blood Falls" of Antarctica caused by an iron-rich lake below the ice. "Blood Falls and other natural oddities"
One evening, a confused local in south Wales called 999 to report a “bright, stationary” UFO that had been hovering “in the air” for “at least half an hour”. The police arrived to investigate. The transcript of the ensuing Control Room conversation reads:"The List: Strange encounters"
Control: “Alpha Zulu 20, this object in the sky, did anyone have a look at it?”
Officer: “Yes. It’s the moon. Over.”