Experience Liechtensteinklamm in stunning 4K resolution—a spectacular gorge carved into the Austrian Alps near Grossarltal in St. Johann im Pongau. Walk through enchanting paths lined with mossy rocks ...

A massive boulder named Maka Lahi was recently found about 650 feet from the edge of a cliff in Tonga, and researchers believe that it may have been deposited by a tsunami around 7,000 years ago.