Inside an Ice Cave! - Nature's Most Beautiful Blue. Season 5 Episode 41 | 5m 45s Video has Closed Captions | CC. Where do glaciers and icebergs get their beautiful blue color? Aired 11/28/2017 ...

One of the most unusual sights in the world is a glacier. Glaciers are found in mountain locations and in the coldest regions on earth. They are often a surprising and beautiful blue color. But snow ...

Although we always seem to hear about black cats the most, grey is a very common cat coat color. Grey is often called blue in ...