The state's only comprehensive museum dedicated to the mineral that defined its history and economy.

A spiritual vortex among the red rocks in Sedona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

An urban laboratory.

This metal church may or may not have been designed by Alexandre-Gustave Eiffel.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

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

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.

This ancient Hawaiian henge may have been an early star chart.

Race through the maze, get your name on the sign.

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

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

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

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

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

This legendary urban waterfall creates a dazzling display of rainbows.

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.

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

This black shoreline is made up of exploded lava particles.

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

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

One of the largest trees of its kind in California.