The remains of a monstrous, 33-foot-long (10 meters) “sea dragon” that swam in the seas when dinosaurs were alive some 180 million years ago have been unearthed on a nature reserve in England. The behemoth is the biggest and most complete fossil of its kind ever discovered in the U.K.

“It is a truly unprecedented discovery and one of the greatest finds in British palaeontological history,” excavation leader Dean Lomax, a paleontologist and visiting scientist at the University of Manchester…

Spend your recreation time at a nature reserve. Never can tell what you might find, eh? The two men who found this were out walking in the nature reserve…turned off-trail through the bottom of a drained lagoon. And there it was.