Earth never stops surprising us. Every corner of the planet offers some sort of natural peculiarity with an explanation that makes us wish we'd studied harder in junior high Earth science class. Here are some favorites.
When European explorers were planting their flags all over North and South America, they referred to the territory as the "New World." While the Americas might have been "new" to the Europeans, they weren't new on the world timeline. Here are some of our favorites.
Ancient sites open your mind to just how old "old" can be and how sophisticated our ancient ancestors were in devising their artistic, engineering and construction methods. You'll never equate "ancient" with "primitive" again.