The Wanda Beach Murders occurred in 1965 in Australia. Fifteen-year-old best friends Marianne Schmidt and Christine Sharrock disappeared during a visit to the beach. Twenty-four hours later the two girls were found dead. To this day the case remains unsolved.
Disappearances And Unsolved Murders In Australia: 10 Compelling Cases
Australia. Home of the Sydney Opera House, The Great Barrier Reef, Kangaroo's, amazing beaches... oh, and a bunch of disturbing unsolved murders.