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Outstanding collection of outdoor adventures: alpine slide, scenic chairlift, aerial ropes courses, and the breathtaking new Pinnacle Zipline Tour.

University of Colorado Boulder astronomer Doug Duncan has chased eclipses all over the world.

How to hike and camp in the backcountry of Yellowstone.

Head to the Wyoming towns of Lander, Dubois, Riverton, Shoshoni, Hudson and the Wind River Indian Reservation for the solar eclipse and festivities.

The Yellowstone Association and Yellowstone Park Foundation merged to form Yellowstone Forever, which is now the official nonprofit partner of the national park.

In the early hours on August 26, 2016, Yellowstone Park employee Estefania Liset Mosquera Alcivar fell from Grand View Point in the park and died.

This year, the National Park Service celebrates its 100th year on August 25, 2016, which has me thinking back to all my experiences in our national parks.

We asked the Director of the National Park Service to look back at the last 100 years and to glimpse forward to the next century's challenges and opportunities.

Long winters and a high elevation isn’t ideal for farming, unless you go vertical with hydroponic farming to produce 100,000 lbs. of produce annually.

At the battlefield, retrace steps of Indian warriors and U.S. soldiers. At the Crazy Horse Memorial, see the world’s largest mountain-carving-in-progress.

A tourist was fined for illegally walked off the boardwalk in Mammoth Hot Springs allegedly to collect water for medicinal uses.

Located along Yellowstone Lake's West Thumb, the Grant Village hotels give you access to geysers, lake sports, and restaurants.

Lake Lodge has inviting cozy cabins and cafeteria-style dining that create a family-friendly atmosphere.

Show your love for national parks on your envelopes. Artwork is from existing art or photos such as Art Wolfe’s photo of a bison on the Yellowstone stamp.

Check out Staff's author page.

After 234 years, it’s time for another animal to join the American eagle as a national symbol. President Obama signed the bill making the bison the official national mammal in May 2016.

Check out Staff's author page.

Check out Tori Peglar's author page.

April can be a mystery box of opportunities in Yellowstone, as it seems each year the snow levels and activity are completely differen

The founder of Cody, Wyoming called Mark Twain a friend, entertained Queen Victoria, and employed Annie Oakley in his Wild West show.

The grizzly is iconic to Yellowstone and Glacier so it may surprise moviegoers that trapper Hugh Glass gets mauled by a grizzly in South Dakota, not Montana.

Heading to Yellowstone for the winter holiday season? Check out this list of events and activities in and around the park!

Sept 28, 2015, 5:03 am: The second largest active geyser in the world, Giant Geyser, erupted in Yellowstone early Monday morning. Watch videos.

Wolves are out and about, their prey is in the valley, so they too are within sight of the road that runs through the "Northern Valley."

Wolf 832AF (AKA "06" - for the year she was born) was the Alpha Female of the Lamar Canyon Pack killed on Dec 6, 2012 as part of Wyoming's wolf hunt.

Photographs of early winter in Yellowstone National Park featuring wildlife, Lava Creek, Abiathar Peak, and Undine Falls.

A hiker was found dead in Yellowstone, apparently from a grizzly bear attack. The victim was 63-year-old Lance Crosby from Billings Montana.

Fall brings about a boost to wildlife activity in the park. Most visitors come to see and photograph the elk and moose ruts.

2 teens, a 43-year-old, and 2 in their 60's had a encounters with bison when they got too close in Yellowstone. Five incidents in three months is unusual.

Check out Elisabeth Kwak-Hefferan's author page.

Contrary to what some wolf opponents claim, ecology expert says gray wolves in Yellowstone will not wipe out prey, such as elk and deer

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A momma black bear and her three cubs scared Yellowstone tourists on a bridge on May 8, 2015. The incident happened near Gardiner, Montana.

Can a vacation ever truly change your life? When one family takes a trip to Yellowstone, they find much more than geysers and wildlife sightings

The Coeur d'Alene area is surrounded by dozens of lakes left behind by the glaciers of the ice age. There are more than 55 lakes within easy driving distance of Coeur d'Alene, but none more scenic and full of activities than Lake Coeur d'Alene itself.

According to the U.S. Fish and Wildlife Service, the Wyoming wolf population grew by 9 percent in 2014. There are 104 wolves in 11 packs in Yellowstone.

Wildlife officials counted 4,844 elk this winter for the herd that migrates between Yellowstone and Montana.

Learn the golden rules to taking great photos of geysers, wildlife, and landscapes.

New study reports that as a result of coins, trash, and rocks thrown into the pool over time, the pool's temperature is cooler altering the color

There was a slow start to the winter recreation season because of no snow, but the park got some fresh white powder and is now a winter wonderland.

A recent study out of the scientific journal reports that killing a wolf that preys on sheep or cattle is not be the best strategy to protect the livestock.

As Yellowstone's official park photographer from 1884-1921, Mr. Haynes' photographs were widely published in articles, books and made into souvenir postcards

Mon, Dec 15, 2014 marked the first day of the winter tour season in Yellowstone allowing snowmobile, snowcoach, skis and snowshoes in some areas of the park.

Check out Staff's author page.

Check out Staff's author page.

November 2014: Non-native lake trout have been gobbling up cutthroat trout for over a century. A new killing process using an electric grid and a vacuum is showing good results.

Located on the Gibbon River, the falls drop roughly 84 feet in a gradual descent.

Yellowstone has a new call to action to go digital and are in preliminary discussions with CenturyLink about installing fiber-optic line in the park.

Rules and regulations for Yellowstone visitors including biking, driving, fires, boating, fishing, and viewing wildlife.

Check out Staff's author page.

Check out Staff's author page.

Traveler's Digest annual ranking of the Ten Best Places to view wildlife ranked Yellowstone as number one in America.

Five types of snakes can be found in Yellowstone - the rattlesnake being the only venomous one.

Sept 27, 2014: The Goal Tribal Coalition, including 26 Native American nations, will hold a prayer protest against the delisting of grizzly bears off the endangered list.

Located in eastern Idaho just 38 miles from Yellowstone National Park, Harriman State Park offers many of the same natural wonders and wildlife viewing opportunities as its larger cousin, but with smaller crowds and lower entry fees.

Check out Staff's author page.

How many wolves were in Yellowstone in 2013, what were their wolf pack territories, and what were their kills.

Sept 22 & 24, 2014: Drone operators who crashed camera drones into Yellowstone Lake and the Grand Prismatic Hot Spring were fined and one was banned from the park.

September 25, 2014: In an ongoing effort to rid Yellowstone streams of non-native fish, Yellowstone has purposefully begun poisoning its waterways.

Please don't dig or bring a metal detector into the national park. It's illegal and Fenn says it's above ground. Happy hunting!

Check out Courtney Holden's author page.

This 21-mile stretch of the Grand Loop Road from the West Thumb to Lake Village travels along the side of Yellowstone Lake with hotels, visitor centers, and a geyser basin boardwalk.

Saturday, August 2, a tourist accidentally crashed a camera drone into the huge Grand Prismatic Hot Springs pool. Days later, park staff are still trying to figure out how to retrieve it

Take in the sites and snap a few pics while walking around the 3/4-mile dirt and boardwalk trail

Firehole Lake Drive, a side road to the Grand Loop Road, was closed for a few days due to the asphalt "melting." A 16-mile portion of the Grand Loop is also being repaired and plans are to move the road.

Because if a bear gets in too much trouble, it could mean its life.

Check out Courtney Holden's author page.

A rally to protest sport hunting and trapping of wolves in the United States

Visit an active Catholic church and gift shop on the reservation.

The park’s official nonprofit education partner, dedicating itself to educating visitors about Yellowstone and teaching them the importance of preserving this national treasure. Go on a hiking vacation or attend a field seminar.

16 things to do in and around Yellowstone that are free or cheap. We give you the details and a map to follow.

Jackson, Wyoming town officials first noticed significant hill movement April 4, 2014. They evacuated 42 homes and apartment units April 9.

Check out Courtney Holden's author page.

Disney and the National Park Foundation invite you to see the new film "Bears" during opening week, April 18-24, 2014. This just happens to be National Park Week, and when you go see the film during this week, Disney will make a donation on your behalf to the National Park Foundation to protect wildlife and wild places.

As the only undammed river in the lower 48 states, the Yellowstone River flows 692 miles through Wyoming, Montana and North Dakota.

The U.S. House of Representatives is set to vote on an act dubbed the "No More Parks Act" today, Wednesday, March 26, 2014. This combats the Antiquities Act of 1906 that protected the Grand Canyon from local mining interests.

Check out Staff's author page.

Learn about gold mining at the “Home of Mount Rushmore” and truly a “City of Gold.” The quaint town of Keystone is steeped in gold mining history.

Yellowstone National Park was the most recognized winner, getting both the most votes and the most number one votes.

Yellowstone National Park’s owl population is difficult to spot due to their nocturnal habits. However, if you’re lucky, you might catch a glimpse of one of these incredible birds.