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Yellowstone National Park

Yellowstone National Park
Image: Ken Burns/PBS

Yellowstone National Park

Now a popular place to visit, Yellowstone National Park faced obstacles at its start. A railroad first brought tourists to view its remote deep canyon, mountainous landscape of hot springs and geysers, and wildlife galore.

Discover how it became the world’s first national park and the effect it has had since 1872 on the area’s ecosystem.

Ken Burns/PBS
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How Wolves Change Rivers

How Wolves Change Rivers

Wolves have transformed the ecosystem and physical geography of Yellowstone. See how their presence caused changes in animal and plant populations, as well as the behavior of rivers. More...

Video
Sustainable Man
Distant Quake Changes Geyser Eruptions

Distant Quake Changes Geyser Eruptions

A volcanic hot spot, Yellowstone National Park always bubbles and steams, spouts and spews. Find out the effects of an Alaskan earthquake on some of the park’s geysers. More...

Article
Science News for Students
Dioramaorama

Dioramaorama

Go fish! Collect sets of plant or animal cards to win stickers to add to your own diorama of some of the country's best-known national parks. More...

Game
SciGirls/PBS
Yellowstone Webcams

Yellowstone Webcams

Always wanted to go to Yellowstone National Park? Now you can travel there anytime and watch Old Faithful without leaving your home. More...

Video
National Park Service
Interview with Dr. Susan Kieffer

Interview with Dr. Susan Kieffer

Meet Dr. Susan Kieffer, a professor of geology and physics. Her research focuses on geological fluid dynamics in geysers, rivers, meteorite impacts, and volcanoes on our planet and others. More...

Profile
American Geophysical Union
When Yellowstone Explodes

When Yellowstone Explodes

The monstrous plume of magma beneath Yellowstone is rising, but when it will erupt remains unknown. Explore what will happen in the next super-eruption. Will we have enough warning? More...

Interactive
National Geographic
Wolves of Yellowstone

Wolves of Yellowstone

In 1995, after 100 years of being hunted, wild wolves were reintroduced into Yellowstone National Park. They thrived. Yet, their return had an effect that surprised even scientists. More...

Video
EARTH A New Wild/PBS
Clash: Encounters of Bears and Wolves

Clash: Encounters of Bears and Wolves

For decades, grizzly bears reigned supreme in Yellowstone National Park...until the reintroduction of gray wolves. Now they battle for the same food sources. More...

Video
NATURE/PBS
Geothermal Yellowstone

Geothermal Yellowstone

The landscape is alive with bubbling mud, steaming springs, and thousands of spouting geysers — evidence of the enormous volcanic eruption to come. More...

Video
Travel Channel
Howard Goldstein: Adviser, Wolves of the Rockies

Howard Goldstein: Adviser, Wolves of the Rockies

This wolf expert explains how hunting Yellowstone’s wolves would adversely affect individual packs and the park's ecological balance — and compromise wildlife research. More...

Video
Bloomberg TV
In the Valley of the Wolves

In the Valley of the Wolves

Absent for more than 70 years, wolves have thrived in Yellowstone since they were reintroduced in 1995. Use this map to learn more about the packs. More...

Interactive
NATURE/PBS
Inside Yellowstone: Bear Safety

Inside Yellowstone: Bear Safety

Take to heart the wise words of park ranger George Heinz to avoid a rare encounter with a bear. But if you do meet one, here’s what you should do. Hint: Do not run! More...

Video
National Park Service
Jackrabbit Mystery in Yellowstone Park

Jackrabbit Mystery in Yellowstone Park

Once as common as tumbleweed, jackrabbits have disappeared from Yellowstone. Why they’re gone is a mystery, but you can investigate the impact their absence has made on other animals. More...

Article
NPR
Microbial Life: Yellowstone National Park

Microbial Life: Yellowstone National Park

In the geothermal features of Yellowstone, microscopic thermophiles (heat-loving extremophiles) thrive in superheated waters and other harsh conditions. More...

Article
Carleton College
Park Botanist Jennifer Whipple and Yellowstone’s Herbarium

Park Botanist Jennifer Whipple and Yellowstone’s Herbarium

Botanist Jennifer Whipple manages the park’s herbarium, or collection of plant specimens. She explains what vegetation teaches us about the park — now and in the past. More...

Profile
National Park Service
Quiz: Yellowstone National Park

Quiz: Yellowstone National Park

Quiz yourself about the ecosystem, history, geology, and landscape of Yellowstone National Park. Get enough answers right and you can advance to another level. More...

Interactive
FunTrivia.com
What Makes Yellowstone, Yellowstone?

What Makes Yellowstone, Yellowstone?

Tour Yellowstone’s natural network with park ranger Beth Taylor to learn what’s responsible for its geysers, weather, landscape, soil type, plant and animal variety, and the rivers, lakes, and waterfalls. More...

Video
National Park Service
Wolves of Yellowstone

Wolves of Yellowstone

You may not see a wolf in the wild when you visit Yellowstone, so take a look here at some wolf behaviors in the park. More...

Images
National Park Service
Yellowstone Bear Characteristics

Yellowstone Bear Characteristics

No lions or tigers, but two species of bears, oh my! Learn the difference between grizzly and black bears, and what to do if you encounter one. More...

Article
National Park Service
Yellowstone Harnesses Hydropower…Again

Yellowstone Harnesses Hydropower…Again

More than 100 years ago water power supplied enough energy in Yellowstone for homes, offices, maintenance shops, and activities around the park. Now water is generating electricity again. More...

Article
National Park Service
Yellowstone Otters

Yellowstone Otters

At Yellowstone National Park in Wyoming, river otters can fish throughout the 8-month-long winter, thanks to thermal pools. Discover more about this weasel relative. More...

Article
NATURE/PBS

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