"This specific type of glacial landform is called a pothole." Related: Why does Norway have so many fjords? The Fennoscandian Ice Sheet was an enormous glacier that blanketed Scandinavia ...

When Glacial Lake Missoula's ice dam shattered ... Note the huge, water-carved potholes known as "kolks" (at right in image). 9. Lenore Caves South of Dry Falls, in a stretch of flood-chiseled ...