Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

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

Greenland's first shopping mall also hosts the country's government.

1% of Greenland's entire population used to live in this single building, which is now slated for demolition.

This Norwegian satellite station provides ground services to more satellites than any other facility in the world.

Cold storage for agricultural biodiversity.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Hidden within Sydney’s lush Royal Botanic Garden is a walled cactus rockery and the site of Australia's first zoo.

Come for the flowers, stay for the bats!

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

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.

Megapodes incubate their eggs using the heat of an active volcano on this Pacific isle.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

Rocky cove with large smashing waves tied to an important Samoan cultural story.

Museum of Fijian history, including its former tradition of cannibalism.

The Siege of Naarden ended in 1814, but the cannonballs embedded in the town church remain.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

This gigantic monument hidden in the woods was built to thank the Dutch for sheltering Belgian refugees during World War I.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

A grassy pyramid named after a French battle.

At the base of this tower, a plaque marks the original center point of the Netherlands.