The museum's exhibits include a comprehensive history of Mesa, a replica of an early adobe one-room schoolhouse, as well as additional galleries of changing exhibits.

The museum also maintains a large collection of historic agricultural equipment.

The auditorium was built in the 1930s as a Works Progress Administration project.

The two-building complex was added to the National Register of Historic Places in 2001 as the "Lehi School".

[2] In 2008, the museum began developing a popular exhibit about Spring Training (baseball) in Arizona, called "Play Ball: The Cactus League Experience."