Our world is full of the unexplainable.

And if history is an open book, all of these amazing tales are right there on display,

just waiting for us to explore.

Welcome to the Cabinet of Curiosity's.

It rises over the Colorado River, a concrete protector for the areas below.

It irrigates more than 1.5 million acres of land in the United States in Mexico, where

much of our fruit and cotton are grown, and it supplies water and hydroelectric power to

Nevada, Arizona, and California without fail.

The Hoover Dam is truly a wonder of the modern world.

Until 1933, it took 21,000 men, five years and 4.4 million cubic yards of concrete to

finish it.

And like all great structures, it started out as little more than an idea.

As families began moving out west in the late 1800s, they found themselves at the mercy

of all sorts of things, including the local wildlife, harsh weather conditions, and the

most dangerous natural phenomenon of all, the Colorado River.

People living in the lower river valley often lost their homes, and sometimes even their

lives during the times when the Colorado flooded.

So in 1922, a group of surveyors decided to do something about it.

They saw what could be possible if a dam was built in just the right spot on the river,

and what it could do for the neighboring territories.

No more devastating floods.

Instead, they could provide electric power for thousands, and a feather in America's cap

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