On July 6th, 1940, a man was fishing on a lake infamous in the mountains of Washington State.

As he drifted along, he saw some sort of figure in the water.

When he got closer, it looked as though it was something wrapped in a blanket.

Then, when he reached into grab whatever it was, he immediately recoiled in horror.

What he just felt was unmistakably a human limb. These are

the creepy disappearances and legends around Lake Crescent. As always, viewer discussion is advised.

There's something about lakes in the mountains, at least from the perspective of someone

used to lakes on the East Coast.

On the East Coast, the experience is very different.

The lakes get far warmer in the summer and are often shallower.

They're typically not at elevation and the flow of water into them isn't from glaciers

and melt water high above.

Maybe the most visually striking thing, however, is that the water is so crystal clear in many of these mountain lakes.

In fact, to really put this in a perspective, water clarity is measured by taking a black and white disk and lowering it into the water and then measuring how far down it's still visible.

Crater Lake in Oregon was measured to have a visibility of 139 feet or 42 meters.

This makes it the clearest anywhere on earth.

So at the shore, many of these mountain lakes, you can look down and see the bottom as extends

away from the shore for far longer.

You can also see many of the massive submerged boulders and fallen trees as outlines in the

darkness below.

For the same reason that many people have thylosophobia in the ocean, the experience

is similar.

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