Sarah Parcak: A hundred years ago,
archaeology was for the rich,

fifty years ago it was for men.

But we are expanding it to the world.

I wish for us to discover

the millions of unknown
archaeological sites around the world.

By creating a 21st-century army
of global explorers,

we'll find and protect
the world's hidden heritage.

So how are we going to do this?

[Great Big Story
in partnership with TED]

Narrator: They had a big idea
to change the world.

But they couldn't do it alone.

(Voices overlapping)
So, my wish ... My wish ... I wish ...

And now, here is my wish ...

[Torchbearers]

[Ideas in action]

SP: I am an archaeologist,

and I specialize in using satellite
imagery to map ancient landscapes.

The really fun title is space archaeology.

You of course want to record
maybe how thick something is,

which you can't measure from space,
whether that's soil or snow.

When I won the prize, I had to present
this completely crazy wish.

I had to present the case
for archaeology to the world.

Why does it matter, so what?

The reality is, there aren't
enough of us scientists,

we've got to give more people
opportunities to become explorers.

GlobalXplorer is an online
crowdsourcing platform

that allows anyone in the world
to help map ancient sites

by looking at satellite imagery.

And it's this idea
that everyone in the world

can make a contribution to science.

It can be anyone.

(Music)

Doris Jones: I'm Doris Jones,
I'm 90 years old, I live alone

except for my two kitties.

And I need something to do.

I play games, I like sudoku.

And I play mahjong with friends on Friday.

(Music)

And I'm an armchair archaeologist.

Why don't you want to work? Down.

Down, let's work.

SP: Doris is one of our top contributors;

she's a space archaeologist.

She's looked at many,
many thousands of tiles.

People like her are just
a gift to GlobalXplorer.

DJ: Right now,
I'm looking at a tile, but ...

Well, it has a wall, probably for animals.

But it has a number
of what look more like trails and roads.

I'll go to the next one.

SP: All you have to do
is look at an image and look carefully,

and you see that there
could potentially be a new site there.

Doris just has this passion and energy,

an excitement for exploration.

She's able to give back
and really contribute in a meaningful way.

(Skype dial tone)

SP: Doris!

DJ: Hi.

SP: I'm actually crying right now,
because I'm overwhelmed with emotion.

DJ: Well, thank you.

SP: I just had to see your face
and say, "Thank you."

DJ: I really admire what you're doing.

And I really enjoy the program.

SP: When did your love for archaeology
and paleontology and science start?

DJ: Well, in the middle 50s
my husband and I were in the backyard

digging a garden.

It was late fall, and we were getting
ready for next spring.

And I saw a strange-looking
white rock on the ground.

I picked it up and he said,
"Let me see that."

I showed it to him
and he said, "You know what this is?"

I told him I didn't.

He said, "This is a fossil."

And we took out to the creek
and started looking for fossils.

From then on, there was no turning back.

SP: That's wonderful.

DJ: So then I collected for years.

And after all those years,
of course I've got all those memories.

But that's a type of thing ...

It's not just hunting the fossils
but the experiences.

And you just learn
and really live and enjoy.

And I think the fun is in the hunt.

You know, it's like ...

Well, like the rainbow --

at the end of the rainbow
is a pot of gold.

So GlobalXplorer was kind of my rainbow.

And even at my age

I can continue to hunt
for lost civilizations.

SP: I want to tell you
about some of the incredible things

that happened as a result
of your discoveries.

We're now beginning
to take thousands of features

that people like you have found

and we're sharing them
with archaeologists who work in Peru.

They're beginning to confirm
the things the crowd has found.

So, in other words, the platform works.

Ultimately, this technology
is helping us to rewrite our history.

DJ: We need to know our history.

We're all one peoples.

It's all our history, we're all here
on this little ball of dirt.

SP: I believe we have barely
scratched the surface

in terms of what's left to discover.

And the greatest story ever told

is the story of our shared human journey.

But the only way that
we're going to be able to write it

is if we do it together.