Includes famous "exploding whale" video, which, really, is not that mysterious. Hysterical, sure, but not that mysterious.
Also: Author Stan Allyn of Tradewinds Sportfishing fame was a witness to a sight so unusual it was four years before he related it to anyone. Gazing out to sea from his beachside home he noticed something at the water's edge. As he watched, several yellow tentacles came out of the surf and groped around on the beach.
Remind me to never camp on an Oregon beach again.