One of the deepest blue holes in the world.

In paradise, feral pigs have claimed an island all to themselves.

Underwater volcanic eruption forms new island off the coast of Tonga.

A massive trilithon nicknamed "Stonehenge of the Pacific."

The ship that got left behind.

An abandoned lighthouse off the beaten path, one of the few surviving pre-World War II Japanese structures, offers a beautiful view.

Where hundreds of Japanese civilians committed suicide to avoid being captured by American soldiers during WWII.

This abandoned radar site is slowly being taken back by the jungle, its mission cut short by the end of the Cold War.

The island where one woman reigned as a "queen" over 30-odd Japanese soldiers who refused to believe that WWII had ended.

The pits used to load the nuclear bombs onto the aircraft that dropped them over Hiroshima and Nagasaki at the end of World War II.

This modern New Zealand attraction honors ancient forms of astronomy and scientific understanding.

A perfect turquoise lake colored with glacier dust.

Tubing through a cave lit with glowworms is a magical underground experience.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Marvel of green building techniques that sings with the wind.

Tropical paradise strewn with hundreds of World War II wrecks.

An enormous concrete structure built over a nuclear crater.

A war relic that has sat undisturbed since it crash-landed near Arno Atoll.

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

Site of James Cook's historic observations of the 1769 transit of Venus.

This beautiful eden was once the vacation home of Tahitian royals before Marlon Brando bought it.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.