ʻIolani Palace
The grounds of ʻIolani Palace are managed by the Hawaiʻi State Department of Land and Natural Resources but the palace building itself is managed as a historical house museum by the Friends of ʻIolani Palace, a non-profit non-governmental organization. The birthdays of King Kalākaua (November 16) and Queen Kapiʻolani (December 28) are celebrated with ceremonies.