I mean things that are often associated with loonies where there's no credible evidence. I'd love it if UFOs were true. Bigfoot, Sasquatch, Yeti would be pretty great. Can't forget Scottish Big Cats.
Well so far non of the things have been proven. Aliens are possible because there is a vast amount of room out there. How can their not be. Sasqaush, big foot, yetti or what other name of the large human type creature is rumored to be out there I would thing we would have some proof by now it is real.
The Mountain gorrilla wasn't discovered until 1912.