This is 99% invisible.

I'm Roman Mars.

About an hour northwest of Madrid and enormous stone crucifix rises 500 feet out of a rocky

mountaintop, it's so big you can see it from miles away.

Beneath the cross, there's a sprawling Benedictine monastery and a basilica carved out of the

mountain.

This place is called the Valley of the Fallen, and it's likely the most controversial

monument in Spain.

The Valley is synonymous with Francisco Franco, the general who ruled Spain from the end

of its bloody civil war in 1939 until his death in 1975.

That's reporter Jennifer Omani.

When Franco died, he became the valley's most notorious inhabitant.

His body was buried under a huge stone slab.

But as the decades passed after his death, anger about the monument grew.

People began to push for the removal of Franco's body.

They argued there was no place in a democracy for a monument exulting a man who had tortured

and killed thousands of Spaniards in the name of fascism.

And then in October of 2019.

Now the Spanish dictator Francisco Franco died 44 years ago.

Today his remains were moved from the Valley of the Fallen.

Franco's body was disinterred.

His coffin packed into a helicopter and then flown to a graveyard on the outskirts of

...