Almost as importantly, the estate is Princess Diana's final resting place. She was buried in the grounds of the residence at her brother’s request. Her grave is located on a small island nicknamed "The Oval," in the center of an artificial lake on the estate. Her burial place is not accessible to guests or any member of the public.

Prince Harry offered to share his schedule with the royal family amid tensions with King Charles, who has cancer. Experts call the move "desperate."

EXCLUSIVE: King Charles and Prince William have differing opinions on whether Prince Harry could return to the UK, according to royal experts.