“Help, I’ve fallen and I can’t get up!” Always be sure to stay at least 25 yards (75 feet) away from bison as you visit Theodore Roosevelt National Park. #AnimalAttitudes #THRO #TheodoreRooseveltNP #NPS #Bison #Wildlife #Park #TRNP BDS 📷NPS Photo/Melanie Stewart-Clarke

"Sometimes we vary our diet with fish - wall-eyed pike, ugly slimy catfish, and other uncouth finny things, looking very fit denizens of the mud-choked water..." - Theodore Roosevelt #InTheWordsofTR #ArtinTheNationalParks #THRO #TRNP #NPS CAT 📷 NPS/Laura Thomas

🌠Woah did you see that? I think I saw a shooting star! Come check out the Dakota Nights Festival at Theodore Roosevelt National Park August 30 – September 1 for all sorts of astronomy fun! #AfterDarkInTheNationalPark #TheodoreRooseveltNP #THRO #NPS CAT 📷NPS/Jeff Zylland

“Do you mind?” The prairie rattlesnake is the only venomous snake in the Little Missouri Badlands. Watch where you step when hitting the trails, where they might be sunning themselves during warm summer days! #THRO #TRNP #NPS #AnimalAttitudes KM 📷NPS/Hazel Galloway

"I do not believe there ever was any life more attractive to a vigorous young fellow than life on a cattle ranch in those days." #InTheWordsofTR #TheodoreRooseveltNP #ArtinTheNationalParks #THRO #TRNP #NPS CAT 📷 Theodore Roosevelt Center

Have you heard about our Dakota Nights Astronomy Festival yet? Check out our park calendar for a list of fun, space-themed activities August 30 - September 1! Come see the moon, stars, and everything in between. 🌙⭐ ow.ly/yQyx50SWWCp 📷 NPS/Jeff Zylland

Rattlesnakes like to sunbathe on some of the trails here at Theodore Roosevelt National Park, so, keep your eyes and ears open for rattlesnakes on the trail. Give our scaly friends some space! #InTheWordsofTR #TheodoreRooseveltNP #THRO #TRNP #NPS CAT 📷NPS Photo

The North Dakota badlands receive an average 15 inches of rain per year, which tends to come down in erosive downpours. This causes runoff from the slopes to form gullies or can sometimes cause entire sections of hillsides to fall from the weight! #NPS 📷 NPS/Laura Thomas

🎉 108 years young. 🎉 Today's our birthday! On August 25th, 1916, President Woodrow Wilson signed the Organic Act, establishing the National Park Service. #NPS #TheodoreRooseveltNP #THRO #TRNP #NPSBirthday 📷 NPS/SH

We are counting down the days until the Dakota Nights Astronomy Festival! 🌠 Come visit us August 30 - September 1 for gorgeous night sky displays and fun daytime activities! #NPS #TheodoreRooseveltNP #THRO #TRNP #DakotaNights #MilkyWay 📷 NPS

Did you know that stars can be different colors? While the naked eye may not notice a difference, stars can be a range of colors, including blue, red, or white! ⭐ #NPS #TheodoreRooseveltNP #THRO #TRNP #DakotaNights #NightSky 📷 NPS/Mark Kochte

Each night from August 30 - September 1, you can visit Peaceful Valley Ranch and use one of our many telescopes to look at stars, planets, and even far-off galaxies. Explore the wide expanses of space during the Dakota Nights Astronomy Festival, which is now 2 days away! 📷NPS

Calling all Junior Rangers! 📣 September 2nd is the debut of our new Wilderness Junior Ranger Program! Check our park calendar for more information! 🎉 ow.ly/SM7j50TahLJ 📷 NPS/SH

Today's #NationalWildlifeDay! 🐏🦡🐍 There are many wildlife species to discover in Theodore Roosevelt National Park. Scroll through these photos to see some of our more common animals, as well as those even our rangers struggle to get a glimpse of! 👀 #NPS 📷NPS Photos

Why did the bighorn sheep always carry a map? To find its way through the baa-adlands! 🐏 #NPS #TheodoreRooseveltNP #THRO #TRNP #BighornSheep CSW 📷NPS

Everyone wants to leave their mark on history… but not in this way. Remember, Leave No Trace is more than just picking up after ourselves– it also means leaving things as we found them. Be a responsible visitor and help preserve Theodore Roosevelt National Park! AF 📷NPS/A.F.

Cowboy hat? Superhero cape? How do YOU show off your junior ranger badges? 🤠 Pick up your free Junior Ranger book at one of our visitor centers. Or, if you're not able to visit us in person, use the link in our bio to try our Junior Web Ranger activities! CT 📷NPS/CT

Someone must’ve spooked those logs.... they’re petrified! 😱 #NPS #TheodoreRooseveltNP #THRO #TRNP #PetrifiedWood CSW 📷NPS/Joe Bruce

Here at Theodore Roosevelt National Park, our bison roam and so can you! You never know what cool views you might find when you veer just a little off the beaten path. Stop by the visitor center to ask the rangers for tips about their favorite trails! CT 📷NPS/Connie Thompson

Ever wonder what park employees do in their spare time? Practice their pointing skills, of course, in this case on an evening hike along the Lower Talkington trail! #NPS #TheodoreRooseveltNP #THRO #TRNP CT 📷NPS/Connie Thompson