Scotland is known for the rugged beauty of its mountainous landscape.
The 555-carat black carbonado diamond is purported to be from outer space, though some experts are questioning its origin story.
The biggest tsunami ever recorded reached 1720 feet high—which is taller than the Willis Tower in Chicago.
The Appalachian Mountains occupy a towering spot in North American cultural identity, thanks in part to the Appalachian Trail. The rugged peaks have been influencing the continent for a lot longer than we’ve been around to appreciate them.
The metal known as pyrite fooled gold rush enthusiasts in the 1800s, but it turns out the material may contain gold after all.