Rockpile Museum

10/06/2026

Voices and Votes Exhibit opening this Saturday, October 10!

The Smithsonian Museum on Main Street exhibition examines the nearly 250-year-old American experiment of a government “of, by, and for the people,” and how each generation since continues to question how to form “a more perfect union.” Opening at the Campbell County Rockpile Museum, “Voices and Votes” will be on view from October 10, 2026 through November 28, 2026.

To learn more about Voices and Votes, visit www.museumonmainstreet.com

Museum admission is free for:
Veterans and spouses
Active military and their families
Children under 5

Discounted admission for:
Seniors (over 55) - $8
Students - $5
Groups of 5 or more

Museum is open from 8 AM - 5 PM. We are also open on Columbus Day, Monday, October 12!

Special thanks to:
Wyoming State Museum
Wyoming Semiquincentennial Planning Task Force

Collect. Preserve. Educate.
The Rockpile Museum tells the story of the Powder River Basin.

10/04/2026

For our ranchers - October, 1951.

First Annual Hereford Bull Sale Brochure - October 30, 1951. Campbell Co Hereford Breeder's Association. 1998.003.0025

It's our history...and it always starts somewhere!

10/01/2026

What in the world answer!

Not just rocks, but a hearth oven! This beautifully prepared artifact was found 27 inches below the surface along Porcupine Creek, in southern Campbell County.

Approximate age is from 680 AD.

Did you know the Rockpile Museum had such interesting items? Come see us! Open Monday - Saturdays from 8 AM to 5 PM.

It’s our museum…isn’t it time to see what’s changed?

09/30/2026

Time to play a little “what in the world” game!

This item is on display currently inside the Rockpile Museum - so it’s more than just rock. 🪨

Comment below with what you think this might be ⬇️⬇️⬇️ and check back tomorrow for the answer!

It’s our history…let’s take a closer look 👀

09/28/2026

Please share - especially with those that might not be on Facebook. From our friends at Campbell County Veteran Council:

Saturday, October 3, starting at 9AM. Senior Center.

It's our history...and they are the ones that have kept our American history free.

09/27/2026

It's probably one of our favorite photos of the rockpile (the museum namesake) and it happens to be from September 29, 1935.

Jess and Pearl Boardman standing on the rockpile on their wedding day. 2005.015.0002

09/27/2026

Beautiful partnerships with Wyoming Cowboy Hall of Fame 🤠

Robert Henning - Museum Director
Tara Stoneking - Manager of Rockpile Museum Association

Thank you to the Rockpile Museum for being there at our WCHF State Induction Ceremony!! We are thankful for your support and excited about our future collaborations!

09/26/2026

We have a special volunteer today, dedicated to guiding folks through the haul truck simulator starting at 10 AM.

Military veterans and spouse - FREE
Active military and families - FREE
Kids under 5 - FREE
EBT/SNAP recipients - FREE
Senior - discount
Students - discount
Groups over 5 discount

We’re open until 5 today - but the simulator doesn’t open until 10.

It’s our history, when was the last time you came to the museum?

09/25/2026

Leanin’ Tree cards at the Museum Store ❤️

Stop in and visit the store - open Monday through Saturday from 8 AM to 5 PM.

09/24/2026

Who knew?

Yesterday's "what in the world" photo is one of the brass eagle heads on a sleigh here at the museum!

Accession: 2009.011

One horse, two seat sleigh. Restored. Black painted body with gold pinstripe detailing. Maroon runners also have gold pinstripes. Maroon upholstery with black buttons. Top front panel of sleigh has two brass eagle heads pointing outward. Black floor mat. Foot pedal on each side assists passengers in entering the sleigh. Manufacturer's plate on top back of body reads "Collins Manufacturing Company, Jackson, Michigan."

Thanks for guessing! Want to learn more? Stop in and visit the museum, open Monday - Saturday, 8 AM to 5 PM.