National borders define the separation between countries, often shaped by historical treaties, wars, and natural features. Some borders, like the U.S.-Mexico border, are known for trade and migration, while others, such as the Great Wall of China, have historical significance. The border between North and South Korea, the Demilitarized Zone (DMZ), remains one of the most heavily guarded in the world.
Geography and politics shape national borders, affecting relationships between neighboring countries. Explore the world’s most famous borders in this word search puzzle.