Kashima Jingu Grand Shrine of Ibaraki prefecture is an ancient shrine dating back to the 6th century. Being dedicated to the god of martial arts, thunder, and war, this shrine has been revered by Japanese warlords since its construction. Visitors to the Grand Shrine might be lucky enough to catch a display of the yearly martial arts festival, but check ahead of time for details about dates. With a treasure hall befitting its deity, you will be able to view some ancient Japanese military treasures while even getting to touch some of the replicas. For those with an interest in the history of battle, Kashima Jingu Grand Shrine is an excellent place to visit.