B Reactor at the Manhattan Project National Historical Park
The story of the B Reactor includes some of the richest and most significant scientific accomplishments in the world.
CPCCo Planetarium
Unravel the mysteries of our universe at the CPCCo Planetarium located in the heart of the Columbia Basin College campus.
Soar to the farthest reaches of the galaxy, explore the vastness of our planet’s oceans, or dive into an active volcano.
The planetarium provides life-like, high-definition images and sound with a 36-foot panoramic viewing dome and the most state-of-the-art projection system in the Pacific Northwest.
Tickets for all planetarium public shows MUST be reserved online prior to each event.
Expand Your Mind In Tri-Cities
Exploration Center at LIGO (LExC)
The Laser Interferometer Gravitational-Wave Observatory (LIGO) is renowned for its landmark discovery of gravitational waves, cosmic ripples in space-time produced…
REACH Museum
Explore The REACH Museum, where you'll find a wealth of interactive exhibits, engaging educational programs, and exciting seasonal events that…
Sacajawea Historical State Park & Interpretive Center
The Sacajawea Historical State Park & Interpretive Center uses the popular spelling of Sacajawea – multiple spellings of the Indian…
Aviation Museum
The Pasco Aviation Museum is housed in the historic Navy Control Tower Building in Pasco.
The Museum at Keewaydin
Located in Kennewick's oldest park and home to their world-famous petrified wood floor, The Museum at Keewaydin (formerly the East…
Franklin County Historical Museum
In 1983, after over two years of painstaking renovation, the Franklin County Historical Society & Museum moved into the historic…
Coyote Canyon Mammoth Site (MCBONES)
Columbian Mammoths roamed eastern Washington thousands of years ago before the Ice Age floods.
USS Triton Sail Park
Don’t miss the opportunity to visit a real submarine sail. In 1960, USS Triton was the first submarine to circle…