[4] Located in the waters just west of the Taʻū County is the Valley of Giants, one of the world's largest and oldest coral colonies.
[5] According to the National Oceanic and Atmospheric Administration (NOAA), it is the largest known coral head in the world.
[6] Ta'u County was first recorded beginning with the 1912 special census.
It has since declined to its lowest point since the census began recording, just 358 residents.
Manu'a District as a whole has similarly declined in population since that time.