• An aerial view of Old Faithful erupting taken from Observation Point with the Old Faithful Inn to the side.


    National Park ID,MT,WY

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  • Construction Work To Result In Yellowstone Road Closures After Labor Day

    Two sections of Yellowstone’s Grand Loop Road will be closed due to construction after the Labor Day holiday weekend. Travel between some points will involve long detours and significantly longer than normal travel times. More »

Yellowstone InDepth Video Series

Yellowstone InDepth

What have we discovered about Yellowstone's wildlife, geysers, and other natural features? How can we learn from the park's history to help us protect its future? In this video series, explore Yellowstone's most popular questions and important issues with park rangers, scientists, historians, and park visitors.
Discover more about the world's first national park. Experience Yellowstone InDepth.

Select an episode below or listen with iTunes.


Episode 1: Yellowstone's Restless Giant
The Yellowstone supervolcano is one of our planet's restless giants. For scientists, the question is not one of whether it will erupt again, but rather, when. Are there signs this giant is reawakening? Could it erupt in our lifetimes? Discover how geologists are monitoring the pulse of the Yellowstone volcano.

Episode 2: Troubled Waters
On the surface, Yellowstone's waters look placid and pristine. But look closer-things aren't quite what they seem. There's trouble in the waters: Aquatic invaders-including fish, parasites, and snails-are moving in on native species. Follow three scientists as they search for answers in restoring health to Yellowstone's lakes and rivers.
Episode 3: Bears - A Yellowstone Love Story
Everyone loves the bears in Yellowstone. In the park's early years, people fed them along the roadside and they learned to beg and scavenge at hotels, campgrounds, and the park's garbage dumps. But was the era of the "beggar bear" ultimately good for the people or the bears? Find out how this love affair has evolved over time.

Episode 4: Generation W: The Generation of the Wolf
Kids these days rule their world. Just as our youngsters are teaching us how to explore the world through technology, Yellowstone's young wolves are teaching us things we never thought possible in the Yellowstone ecosystem. Discover how this generation of wolves is transforming our understanding of the natural world.


Episode 5: Voices of Yellowstone
Many people come to Yellowstone to see the fantastic landscapes. Wise visitors also come to experience the amazing soundscapes. This video provides some insight into the value of natural sounds in wild places and how the park is monitoring those sounds as well as the sounds created by humans.


Episode 6: Mountain Goats in Yellowstone
The mountain goat is not native to Yellowstone. It has come into the park from areas to the north where it was introduced for hunting purposes. Since migrating to the park this goat has become a threat to big horn sheep and our alpine. To learn more about mountain goat research in the park, watch this video.

Did You Know?

Bison in Yellowstone.

There are more people hurt by bison than by bears each year in Yellowstone. Park regulations state that visitors must stay at least 25 yards away from bison or elk and 100 yards away from bears.