This episode is brought to you by Tinder.

Life is full of possibilities.

A cheeky reply to a message here could lead to a world of fun new experiences over there.

And with Tinder, it all starts with a swipe.

Strangers can become mates, mates can become lovers with matching tattoos.

Or maybe it's not that serious.

Whether a match leads to something new and exciting or something personal, no matter what.

All matches lead to self-discovery.

Download Tinder now.

Link Mead is shrinking.

And when I say that, here's what I mean.

If you go to Las Vegas, drive out to the lake, which is actually America's largest reservoir,

you'll notice a strange pale stripe running along the waterline.

Some people call this a bathtub ring.

Over the last two decades, it has gotten so dry here

that it is as if the lake has drained, leaving bleached white rocks where the waterline used to be.

As the water recedes, it's uncovering things that got drowned a long time ago.

Just this month, a World War II era swamp boat emerged from the lake.

And a few weeks before that, people were making more gruesome discoveries.

Just a short drive from Sin City out here in the wilderness, this past Saturday, May 7th,

human skeletal remains spotted at a popular recreation spot.

As we discovered more and more bones, especially the jawbone, we realized this is definitely human.

...