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All Ages


114 E 3rd Ave, Ellensburg, WA 98926

Ellensburg Blue Agate

Permanent Exhibits

Over 50 samples of Ellensburg Blue Agate are featured in the ongoing Rock and Mineral display, which is the largest collection held by a museum. These beautiful stones range in size, style, and vary from being raw to polished.

The first record of Ellensburg Blue Agates was in March 1905 when Austin Mires, Ellensburg’s first mayor, found a set of stones and sent them to jewelers in Seattle to be set into rings for his wife – and over 100 years later, the beautiful stones continue to fascinate seekers from all across the world.

More to Explore at the Museum

Neon Signs

Permanent Exhibit

Bright, bold, and beautiful! These dazzling signs from Ellensburg and Kittitas County’s past have been restored, allowing the neon lights to once again delight locals and visitors alike

Lecture: “Impactful Women and Their Contributions in Ellensburg History”

October 15, 2024

Julia Stringfellow, Professor and University Archivist at Central Washington University, will speak on “Impactful Women and Their Contributions in Ellensburg History” on Tuesday, October 15th at 6pm.

Lecture: “Topic To Be Announced”

November 14, 2024

Dr. Patrick McCutcheon and Nik Simurdak will present on Thursday, November 14 at 6pm at the Kittitas County Historical Museum. Their topic and more information will be announced soon.