An enormous concrete structure built over a nuclear crater.

The birthplace of both the Atomic Age and Godzilla, and the namesake of the bathing suit.

Nestled in the jungles of Vanuatu are the remains of what was once a cannibal oven.

Plains of ash and pair of semi-active volcanoes contribute to the otherworldly beauty of this little-known Vanuatu island.

The U.S. military dumped millions dollars worth of goods off a beach in Vanuatu, purely to spite the British and French.

This South Pacific volcano has been blowing its stack for over 800 years and is said to be home to a cult leader waiting to be reborn.

The fully functional, submerged Vanuatu Post Office is definitely one of a kind.

Ancient weaving techniques are used to create these colorful souvenirs.

These ancient monoliths make up one of the largest archaeological sites in Palau.

An isolated dive site teeming with cnidarians.

Now a pedestrian bridge, this was once part of a narrow-gauge railroad that ran along the east coast of Kauai.

This monument built by Japanese American immigrants spent decades underground.

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

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

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

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

Get up close and personal with these majestic fish.

A true treehouse near Hawai'i Volcanoes National Park.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

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

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

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

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

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