Papahānaumokuākea Marine National Monument

The Papahānaumokuākea Marine National Monument (pronounced [ˈpɐpəˈhaːnɐwˈmokuwaːˈkɛjə]; PMNM) is a U.S. national monument listed as a World Heritage Site, encompassing 582,578 square miles (1.5 million km2) of ocean waters, including ten islands and atolls of the Northwestern Hawaiian Islands. It was first created by President George W. Bush in 2006 with an initial 140,000 square miles (360,000 km2).

Source: Wikipedia — Papahānaumokuākea Marine National Monument (CC BY-SA 4.0)