Einstein's brain has a similarly tumultuous history. It was carried around in two jars by a Princeton pathologist, sliced in countless pieces and studied by people around the world.
Thomas Hardy's ashes were buried in Westminster Abbey, in Poets' Corner, and his heart was buried in Stinsford in Dorset, alongside the grave of his first wife (and Cecil Day-Lewis, curiously). Unfortunately there persists a rumour that, after being extracted but before being buried, his heart was accidentally eaten by a cat, which, honestly, I rather think Hardy would have found pretty funny. (A typical article on this for reference: http://www.telegraph.co.uk/comment/columnists/christopherhow...)