Geological Oddities in Hawaii

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

This unusual lava tube spouts seawater during high surf.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This blowhole is supposedly caused by a trapped monster.

A beach made of semi-precious green sand on the Big Island of Hawaiʻi.

Watch the newest land on the planet form before your eyes.