[4] The Valley of Giants, located in the waters southwest of Taʻū, is home to one of the world's largest and oldest coral colonies.

[7] The south coast of Taʻū Island is home to the tallest sea cliffs on Earth, which rise to a height of 3,000 feet.

[10] In 1986, researchers uncovered ceramic-bearing locations in Taʻū Village, including a surface find of a Polynesian Plain Ware sherd.

This evidence indicated that the prehistoric developments in the Manuʻa Islands generally align with those documented in larger and more thoroughly studied areas of Western Sāmoa.

[12] The island is the eroded remnant of a hotspot shield volcano with a caldera complex or collapse feature (Liu Bench) on the south face.

The summit of the island, called Lata Mountain, is at an elevation of 931 m (3,054 ft), making it the highest point in American Samoa.

All of the southeastern half of Taʻū—including all of the rainforest on top of Lata Mountain and within the caldera—the southern shoreline, and associated coral reefs are part of the National Park of American Samoa.

She concluded that adolescence was a smooth transition, not marked by the emotional or psychological distress, anxiety, or confusion seen in the United States.

The system should be a more reliable source of energy and was designed to power the entire island for three days without sunlight and fully recharge in seven hours.