Rivers have served as lifelines for civilizations throughout history, shaping landscapes and cultures across continents. These mighty waterways continue to fascinate researchers and explorers today, ...

Caves are nature's ancient wonders. They've been around for millions of years. Some caves were formed over 100 million years ago through the combined effects of water erosion, volcanic activity, and ...

Ancient buildings offer clues to early human life. The Cairn of Barnenez in France dates back to 4850 BCE. Tumulus of Bougon, also in France, is from 4700 BCE. Tumulus Saint-Michel is another ...

Iran is the oldest country with an established government around 3200 BCE. Ancient civilizations of Egypt and China are among the world's oldest. San Marino is the world's oldest continuous republic, ...