Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

This legendary urban waterfall creates a dazzling display of rainbows.

Ten acres of the Kula Forest Reserve make up this wonderous state park.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

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

A Hawaiian stairway to heaven—that you can't climb.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This unusual lava tube spouts seawater during high surf.

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

Submerged lava formations create incredible waterworks.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

This WWII plane died a quiet death, and is now a garden eel playground.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

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

The world's largest aggregation of great white sharks is at a mysterious spot in the middle of the ocean.

Images chiseled into the basalt here date back an estimated 300 years.

These locks on North America’s oldest canal are named after a porcine rock formation.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

A remarkable geological formation resembling a forest made of stone.

Extraordinary rock formations in open Peruvian fields.

A secluded fortress from the days of the Crusades that offers breathtaking views.

Submerged ruins of a Neolithic coastal settlement, where houses, wells, graves and skeletons have been unearthed.

This abandoned fishing settlement may well be the greenest village in the world.