Museum Renovation

On July 4, 2026, the United States will mark the 250th anniversary of the Declaration of Independence. Moments That Made US explores the how generations of Americans have interpreted and shaped the ideals expressed in the Declaration. Bringing this nationwide conversation to the Inland Empire, Moments That Made US is organized around five themes drawn directly from the Declaration: Created Equal; Life, Liberty, and the Pursuit of Happiness; Free and Independent States; Consent of the Governed; and We Mutually Pledge.

Built on Water: Ontario and Inland Southern California focuses on the history, present and future of water in the Ontario region and the Chino Basin. The Built on Water exhibit brings together the story of local water agencies, regional tribes, agriculture, water conservation, and the establishment of the City of Ontario. Learn from artifacts and images of early water infrastructure, explore the future of water management in a new mobile app, listen to the voices of our community’s water guardians, and follow the life of a Monarch butterfly through a one-of-a-kind VR experience.