Police have been baffled by a mysterious "unidentified" dome that washed up on a West Australian beach. The giant metal object was found ... include the military and Australia's space agency.

The carcass of a dwarf sperm whale is found washed up on an Adelaide beach, with a local tour boat operator who says he saw the "very rare" animal when it was alive and several kilometres offshore ...

It can also result in stumbling across mystery ... prompt beach closures. According to The Guardian, several marble-sized balls have washed ashore on nine beaches located in Sydney, Australia.