Inside Yellowstone

Explore the wonders of Yellowstone National Park, Wyoming, with a park ranger as your guide. A virtual tour of park features, such as Old Faithful, will get you closer to the nature, science, history and culture of Yellowstone whether you are planning a vacation or are merely traveling online. Learn more about the geysers and geology of this wild landscape formed by a super-volcano and discover the ecological processes, like fire, that have shaped the park. Examine the park's human history as well as wildlife including bears, wolves, bison and elk. Experience Americas first national park online or download the 90-second parkcasts to a portable player to view when you visit Yellowstone. Be sure to download the accompanying map from our website before your trip. For a more in-depth look at the issues facing the worlds first national park, see the related video documentary series, Yellowstone InDepth, located in the Science & Medicine in the Natural Sciences category.

0028a Yellowstone's Grand Canyon in Winter

The artist that shaped this American treasure continues to work on this unique place today.

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0023a Winter at Yellowstone Lake

Visiting this frozen landscape is worth the planning and effort it takes to get here.

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0042w Winter Bird Watching

Visitors traveling to and from the West Entrance are rewarded with some of the most beautiful scenery in the country.

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0042v The Wolverine Study

The wolverine is an elusive and fascinating animal you may never see.

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0043q Hypothermia

Fall and spring seem to be the most dangerous seasons because people are not as prepared.

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0042u Bear Safety

Learning what foods are available at certain times of the year can help you avoid confrontations.

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0043p Climate Change

As the climate warms the tree-line moves higher and the Yellowstone region is left with less alpine tundra.

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0043t Winter Emergency Kit

By looking at what we carry, you can develop your own emergency kit.

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0001b Park Ranger Kelli English Introduction

Meet Park Ranger Kelli English and learn, in her own words, why Yellowstone is one of her favorite places.

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0003c Mammoth Hot Springs in Winter

Most of the park is closed to wheeled vehicles in the winter. Mammoth is one of the areas that remains open. It offers fascinating views of hot spring terraces year around.

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0006a Apollinaris Spring

The water in Appolinaris Spring reminded early visitors of the taste of the water from a popular, naturally carbonated, spring in Germany. Our spring was named for the German, Apollinaris Spring.

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0017e Old Faithful Snowlodge

The Snowlodge is the newest lodge in Yellowstone. This warm, inviting, timber-frame structure opened in 1999.

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0021 Natural Bridge

A bay of Yellowstone Lake and the marina located there were named due to their proximity to the natural bridge. They hold the names Bridge Bay and Bridge Bay Marina.

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0027 Hayden Valley

This ancient lakebed is now a huge valley that, each summer, hosts the largest bison rut in the world.

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0041 The Effects of Weather on Geysers

Does Old Faithful erupt as predicted when the temperature is 40 below zero (F)? Do droughts or heavy rains effect geysers? This video provides some of the answers.

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0042s American Bison

Ranger George provides a information about this largest land mammal in North America. Bison are not only icons that represents the National Park Service but they are also an American icon.

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0042t American Dipper

The small grey birds called Dippers got their names from their behavior of dipping their bodies repeatedly before diving into the cold waters of Yellowstone's streams. While submerged they locate insect larvae, fish eggs, and other tidbits that serve as staples in their diet.

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0043k Yellowstone's Campgrounds

With over 2000 campsites, camping opportunities abound for Yellowstone visitors. There are sites for tent campers as well as those driving recreational vehicles. One of our campgrounds, Fishing Bridge RV Park, even offers hookups.

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0043l Snowflakes

Learn a little about stellar dendrites, simple crystals, and diamond dust. This video will help you develop a better appreciation for the white stuff.

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0043m Avalanches

To protect yourself from the dangers of avalanches, watch this video to learn the basics, then follow the links on the bottom of the page to study the details.

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