Concrete strongholds stand guard over the Golden Gate.

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

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

This black shoreline is made up of exploded lava particles.

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

This legendary urban waterfall creates a dazzling display of rainbows.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

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

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

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

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

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

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

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

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

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

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

The grand marquee of this abandoned Hawaiian theater remembers the building's elegant past.

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

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

During the solar phenomenon "Lahaina Noon" this bendy, curvy sculpture forms a perfectly circular shadow on the ground.

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

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

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