WATCH: Mega Millions soars to $1 billion for first time in game's history

WATCH: Mega Millions soars to $1 billion for first time in game's history

Transcript for Mega Millions soars to $1 billion for first time in game’s history

We are going to turn the headline worth $1 billion tonight. The first ever $1 billion megamillions jackpot. This is the california/nevada border line. Long lines in Atlanta. We did an office pool in the newsroom. Gio Benitez is in line tonight as well. Reporter: Tonight, this lotto sign needing a giant post-it of sorts. The “M” replaced with “B.” For the first time in mega millions history, the jackpot has soared to a jaw-dropping $1 billion. Lines growing and excitement soaring, too, from coast to coast. In Chicago, lottery officials inviting people to try to catch as many free tickets as possible. Tonight, people everywhere sharing this moment. Dreaming — It’s going to win. A never-ending vacation. I’d travel the world. Reporter: Dancing. And promising. That’s the winning ticket and if I do win, this is the last time you will ever see me in Penn station. Reporter: The odds are not in our favor, but they show there is a chance, 1 in 302 million. And some incredibly lucky person could potentially win this, and tomorrow night’s $470 million Powerball. The odds, 1 in 88 quadrillion. You’re going to buy the Yankees and an island in the caribbean? Yes. Reporter: And David, a lot of people are asking the question, what’s the cash value with the lump sum? Right now, $565 million. But that could go up before the drawing tonight. No one will complain. I agree with that guy, not wanting to be in Penn station. Still ahead, the case of the missing teenager.

This transcript has been automatically generated and may not be 100% accurate.

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