Specials

Video thumbnail: NOVA Treasures Metals Eiffel Tower

NOVA

Treasures Metals Eiffel Tower

An excerpt from "Treasures of the Earth: Metals"

Treasures Metals Eiffel Tower

Video thumbnail: NOVA Stromatolites Were Kings

NOVA

Stromatolites Were Kings

When the sand is swept away the stromatolites are vulnerable to the seaweeds.

Stromatolites Were Kings

Video thumbnail: NOVA Pangea

NOVA

Pangea

The rocks here in Zion bear witness to a traumatic phase in our continent’s history.

Pangea

Video thumbnail: NOVA No Dinosaurs Above the Line

NOVA

No Dinosaurs Above the Line

Tyler Lyson is a paleontologist who’s been digging up dinosaur fossils in these badlands.

No Dinosaurs Above the Line

Video thumbnail: NOVA Millions of Years Captured in Chalk

NOVA

Millions of Years Captured in Chalk

In Kansas, some strange but spectacular shapes burst up out of the plains.

Millions of Years Captured in Chalk

Video thumbnail: NOVA Mammal Survivors

NOVA

Mammal Survivors

This amazing fossil leaf just popped out of this rock.

Mammal Survivors

Video thumbnail: NOVA Making Granite From Volcanic Rock

NOVA

Making Granite From Volcanic Rock

It would take dramatic transformations to turn volcanic islands into the first continents.

Making Granite From Volcanic Rock

Video thumbnail: NOVA King of Gore

NOVA

King of Gore

When you put flesh on the bones of Lythronax, it looks a lot like T. rex.

King of Gore

Video thumbnail: NOVA Hell Creek Formation

NOVA

Hell Creek Formation

These are the North Dakota Badlands… thousands of square miles of arid gullies and buttes.

Hell Creek Formation

Video thumbnail: NOVA From Mud to Rock

NOVA

From Mud to Rock

It’s the tough Manhattan schist rock that’s allowed the city’s skyscrapers to soar.

From Mud to Rock

Video thumbnail: NOVA Finding Stromatolites

NOVA

Finding Stromatolites

We’re looking for one of the oldest organisms on our planet.

Finding Stromatolites

Video thumbnail: NOVA Driving Dinosaur Diversity

NOVA

Driving Dinosaur Diversity

So what is it with all this diversity?

Driving Dinosaur Diversity

Video thumbnail: NOVA Dinosaur Fossils

NOVA

Dinosaur Fossils

In an empty corner of Utah lies a very special landscape.

Dinosaur Fossils

Video thumbnail: NOVA Ancient Life

NOVA

Ancient Life

What I’m holding in my hands is a fossil, a stromatolite from North America.

Ancient Life

Video thumbnail: NOVA Volcanoes of Sand

NOVA

Volcanoes of Sand

What we found were strangely regular circles in the sandstone.

Volcanoes of Sand

Video thumbnail: NOVA The Sandstone Top of the Canyon

NOVA

The Sandstone Top of the Canyon

This is not the easiest thing to do—especially in a 100 degree heat—but it’s worth it.

The Sandstone Top of the Canyon

Video thumbnail: NOVA The Grand Canyon's Oldest Rocks

NOVA

The Grand Canyon's Oldest Rocks

“This rock is more than 4000 feet below the rim of the canyon."

The Grand Canyon's Oldest Rocks

Video thumbnail: NOVA Tearing North America Apart

NOVA

Tearing North America Apart

A map of the Midwest of the United States shows the distribution of basalt flows.

Tearing North America Apart

Video thumbnail: NOVA Semi-Precious Pebbles

NOVA

Semi-Precious Pebbles

Where you find agates, volcanoes—the source of the gas bubbles—are usually not far way.

Semi-Precious Pebbles

Video thumbnail: NOVA Rock Time Capsules

NOVA

Rock Time Capsules

This place is a paradise for geologists and one of our national treasures. It is, of cour

Rock Time Capsules

Video thumbnail: NOVA Rockies 2.0

NOVA

Rockies 2.0

But why is it that these layers that were once horizontal are now standing on their heads?

Rockies 2.0

Video thumbnail: NOVA New York's Mountains

NOVA

New York's Mountains

Today these steel and concrete giants dominate New York’s skyline.

New York's Mountains

Video thumbnail: NOVA Manhattan Skyline

NOVA

Manhattan Skyline

It's actually the geology that gives this very American city its very particular look.

Manhattan Skyline

Video thumbnail: NOVA Manhattan Schist

NOVA

Manhattan Schist

All over the city you can see outcrops of bedrock. It’s called Manhattan schist.

Manhattan Schist