Hiding in plane sight.

A unique set of caves that spits waves back out into the ocean.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

A 1940's shrine dedicated to drowned fishermen on the outskirts of Honolulu.

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

A tunnel of hardened lava along Maui’s famous Road to Hana.

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

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

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.

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.

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

This black shoreline is made up of exploded lava particles.

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

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.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

This unusual lava tube spouts seawater during high surf.

Get up close and personal with these majestic fish.

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

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.