The World Trade Organization is an international organization that deals with the global rules of trade between nations.

Having to work on weekends and not getting paid overtime is the worst of both worlds.

The Old World porcupine is a nocturnal animal.

The Seven Wonders of the World are the Great Pyramid of Giza, the Hanging Gardens of Babylon, the Statue of Zeus at Olympia, the Temple of Artemis at Ephesus, the Mausoleum at Halicarnassus, the Colossus of Rhodes, and the Lighthouse of Alexandria.

The Old World flycatcher is a small bird found in Europe, Asia, and Africa.

World War IV is a hypothetical world war that follows World War III.

New World monkeys are known for their prehensile tails.

Old World monkeys are known for their diverse range of species.

The Great Barrier Reef is a World Heritage site.

The Great Barrier Reef is a World Heritage Site.