Manhattan Project National Historical Park

Two times a year, visitors are allowed to see the place where history was made at the Trinity Site. Run by the US Army, the Trinity site was the test area for the Gadget, site of the first human-caused nuclear explosion. The Gadget was placed atop a 100-foot (30.48 m) tall steel tower that was designated Ground Zero. View an obelisk at Ground Zero and the McDonald ranch house, where the Gadget’s plutonium core was assembled.

The Indian Pueblo Cultural Center preserves Pueblo culture, their accomplishments, and evolving history of the Pueblo people. The center located in Albuquerque on land owned by the 19 Pueblos and governed by the 19 Pueblos District. The Pueblos District is a sovereign government formed by the Tribal Councils of the 19 New Mexico Pueblo Communities at the former location of the Albuquerque Indian School (1881-1982). Visit today and enjoy the museum, gallery, and artifacts.

Explore the story of the Atomic Age at the National Museum of Nuclear Science & History. Learn about nuclear science in the past, present, and future. A wide array of exhibits discuss topics from atomic theory and the complexities of World War II to the diversity of individuals and events that shaped the technical context of the nuclear age. No matter the topic, there is always something to learn at the National Museum of Nuclear Science & History Museum.

The US Department of Energy provides guided tours of the B Reactor. These tours provide a glimpse into the science and technology that made plutonium production possible on an industrial scale and helped launch the nuclear age.

Hey kids! Have you ever wanted to become a park ranger? Join Atom U. Fission on a fun adventure and learn about the Manhattan Project.

This recreational trail along the Columbia River is a perfect way to explore the Tri-Cities on foot and bike. Interpretive signs along the route share information about local history including Lewis and Clark’s experience in the Mid-Columbia region. You can also take in panoramic views of the Columbia River, which was essential for the Hanford Site.

Step into the past and learn about the resilient farming communities displaced by the arrival of the Manhattan Project in eastern Washington. The US Department of Energy leads a tour of pre-Project Manhattan sites that are still on the Hanford Site.

Learn about the first local encounter between White explorers and Native Americans at Sacajawea Historical State Park, which is at the confluence of the Snake and Columbia rivers. You can enjoy many activities including picnicking, swimming, bicycling, hiking, bird watching and wildlife viewing.

Serving as a community gathering place for over 100 years, Howard Amon Park offers something for everyone. You can relax under a shade tree, wade into the river, walk or ride a bike along the river path, and enjoy family time with your kids on the play equipment.