If there's one thing we've learned from doing this show, it's that our planet is full of surprises.

Many of them shaped by Mother Nature herself.

Think about the natural wonders of the world.

The Aurora Borealis lighting up the sky with impossible magical colors.

The Great Barrier Reef bursting with life just beneath the surface.

Or Mount Everest towering above everything else on Earth.

Places so extraordinary, they almost don't feel real.

But today, we want to focus on one of the most mysterious wonders on earth,

the Grand Canyon. This place is a major tourist attraction, drawing an average of five

million visitors a year. Most people go for the unbelievable views, the sweeping cliffs, the layered red rock, and

the way the light shifts at sunrise and sunset.

But from what I understand, apparently that's only a tiny piece of the picture.

Just below them, the canyon drops over a mile deep, carved over five million years by the Colorado River.

But most people don't think about what's down there hidden in the shadows.

According to rumor, the Grand Canyon holds more than just rock and river.

There's stories of hidden tunnels and whispers of lost civilizations

buried deep beneath the surface. Some say the land itself carries a strange energy,

something incredibly powerful and unpredictable, which might explain why these stories

aren't talked about more, because if they were,

it would change the way we see the Grand Canyon and perhaps our own history entirely.

I'm Yvette Jintili.

And I'm her sister, Rasha Pecorero.

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