Prosser’s history museum in City Park – 20,000+ items including pioneer and Native American artifacts, a shrub-steppe diorama, Edison phonographs, and Victorian-era reconstructions.
Kennewick veterans memorial in Columbia Park – a 40-foot granite monument (said to be the tallest freestanding granite in the U.S.) honoring those who served.
Kennewick outdoor memorial built around a ~30-foot steel beam recovered from the World Trade Center – a free place of reflection, with an annual 9/11 service.
Museum in the historic 1942 NAS Pasco control tower at the Tri-Cities Airport – 100+ years of local aviation history, from airmail pioneers to a WWII Navy training base.
Active Ice Age mammoth dig near Kennewick run by nonprofit MCBONES – reservation-only guided tours (mid-April–October, ~$10) of the Dig House and open excavation.
Columbia Basin College’s Pasco arts hub since 1971 – theatre, musicals, and a music series, plus the free Esvelt Gallery of visiting, faculty, and student art.
Richland visitor center for Manhattan Project National Historical Park – free exhibits and ranger ‘Atomic Explorations’ programs on the Hanford atomic story. (B Reactor bus tours paused through 2028.)
Pasco’s history museum in the restored 1911 Carnegie Library – exhibits on Native American history, pioneers, and the region’s rail, river, and aviation past.
267-acre Pasco day-use state park at the Snake/Columbia confluence – Lewis & Clark history, interpretive center, Maya Lin story circles, and river access.