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

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fifty years ago it was for men.

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But we are expanding it to the world.

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I wish for us to discover

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the millions of unknown[br]archaeological sites around the world.

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

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

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So how are we going to do this?

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[Great Big Story[br]in partnership with TED]

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

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But they couldn't do it alone.

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(Voices overlapping)[br]So, my wish ... My wish ... I wish ...

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And now, here's my wish ...

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[Torchbearers]

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[Ideas in action]

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SP: I am an archaeologist,

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

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The really fun title is space archaeology.

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

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

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

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I had to present the case[br]for archaeology to the world.

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Why does it matter, so what?

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

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

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GlobalXplorer is an online[br]crowdsourcing platform

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that allows anyone in the world[br]to help map ancient sites

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by looking at satellite imagery.

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And it's this idea[br]that everyone in the world

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can make a contribution to science.

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It can be anyone.

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(Music)

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

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except for my two kitties.

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And I need something to do.

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I play games, I like sudoku.

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And I play mahjong with friends on Friday.

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(Music)

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And I'm an armchair archaeologist.

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Why don't you want to work? Down.

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Down, let's work.

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SP: Doris is one of our top contributors;

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she's a space archaeologist.

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She's looked at many,[br]many thousands of tiles.

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People like her are just[br]a gift to GlobalXplorer.

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

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Well, it has a wall, probably for animals.

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

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I'll go to the next one.

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

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

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Doris just has this passion and energy,

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an excitement for exploration.

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

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(Skype dial tone)

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SP: Doris!

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DJ: Hi.

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

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DJ: Well, thank you.

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

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DJ: I really admire what you're doing.

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And I really enjoy the program.

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

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

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digging a garden.

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

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

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

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

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I told him I didn't.

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He said, "This is a fossil."

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

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From then on, there was no turning back.

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SP: That's wonderful.

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DJ: So then I collected for years.

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

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But that's a type of thing ...

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It's not just hunting the fossils[br]but the experiences.

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And you just learn[br]and really live and enjoy.

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And I think the fun is in the hunt.

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You know, it's like ...

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Well, like the rainbow --

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at the end of the rainbow[br]is a pot of gold.

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So GlobalXplorer was kind of my rainbow.

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And even at my age

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I can continue to hunt[br]for lost civilizations.

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

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that happened as a result[br]of your discoveries.

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We're now beginning[br]to take thousands of features

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that people like you have found

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

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

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So, in other words, the platform works.

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

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DJ: We need to know our history.

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We're all one peoples.

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

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SP: I believe we have barely[br]scratched the surface

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in terms of what's left to discover.

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And the greatest story ever told

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is the story of our shared human journey.

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

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is if we do it together.

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[Become a GlobalXplorer[br]GlobalXplorer.org]