This volcanic island in the Pacific just keeps growing and growing.

An isolated dive site teeming with cnidarians.

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

Tropical paradise strewn with hundreds of World War II wrecks.

Giant money stones of Yap.

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

A gorgeous gem on the ocean.

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

Once a popular hangout spot this huge mall was left to ruin after economic crash.

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

This jail once controlled by the Japanese military now sits abandoned on a remote Pacific island.

In ancient times, these fallen standing stones supported a massive house.

A crystal clear beach surrounded by beautiful coral reefs.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

The underground hideout of a Japanese soldier for whom World War II ended in 1972.

Located on Guam's south shore, this small cave is named for an ancient and powerful Chamorro Chief.

No longer the only, but definitely the oldest, fountain in Greenland.

Walrus skulls and narwhal bones were found here while excavating a 900-year old church.

An experimental forest at the foreground of arboreal science is also the canary in the coal mine for climate change.

These eight mummies are the best-preserved human remains ever discovered in North America.

The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Abandoned Air Force base that has fallen into disrepair.