The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

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

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

This legendary urban waterfall creates a dazzling display of rainbows.

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

This black shoreline is made up of exploded lava particles.

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

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

These ancient sacred grounds granted amnesty to those who managed to reach them.

A controversial memorial at the place where Captain Cook met his violent end.

This unusual lava tube spouts seawater during high surf.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

The famous aviator's final resting place is a study in natural beauty.

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

This tiny Hawaiian island is slowly coming back to life after being bombed during naval training exercises.

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

Inside, visitors are treated to the rich history of sugar farming and its impact on Hawaiian society.

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

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Hundreds of huge, centuries-old horseshoes adorn the walls of this nontraditional 12th-century castle.

After spending more than a century on the ocean floor, this shipwrecked column is finally resting atop solid ground.