Single runway interrupted by a busy road that cuts across its middle.

A 150-year-old steam locomotive crosses the southern half of the island daily.

World's largest working waterwheel has been around for over 150 years.

The only diamond mine in the world where you can keep what you find.

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

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

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

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

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

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

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

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

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

A hidden courtyard houses early 20th-century plaster masterpieces.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This huge clock made of flowers and simple machinery was once used a political weapon.

The first KFC is on the National Register of Historic Places.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

Moonbows over Kentucky.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.