Not much left since the world died. That's what they called it the day the virus took over and people went inside, never to leave their homes again. Soon after that, the last of the food was gone, the last drop of gas was used up, the government collapsed. Chaos... on a global scale.

2084

What do the Phoenix Islands in the Pacific Ocean, the Wadden Sea in the North Sea and Cocos Island National Park in Costa Rica have in common? These are just three of the 43 exceptional marine places inscribed on the World Heritage List and protected under UNESCO's World Heritage Convention. You'll get a peek at some of the crown jewels of our oceans and learn about UNESCO's Marine World Heritage Program.