Hanford: Places to Go

You will find many opportunities in the Tri-Cities to explore the history of the Manhattan Project and World War II. The Tri-Cities is designated as an American World War II Heritage City to honor the contributions of the communities and citizens who stepped into the workforce to support America's war effort during World War II.

Begin with a trip to the visitor center. Attend a guided tour (tours are seasonal) to explore the B Reactor and pre-Manhattan Project structures that are still on the Hanford Site. The Tri-Cities also has many historic sites that date back to the Manhattan Project and are still in use today. The region also boasts of several museums that help share the Manhattan Project story. 

Click on the categories below to explore your options 

Explore Your Options

  • Exterior photo of a building with a rust colored roof. The sky is blue and there are two flags on fl
    Visitor Centers

    Start with the Manhattan Project Visitor Center and the Visit Tri-Cities Visitor Center.

  • A color photo of a blocky building with a ventilation stack in a bushy, treeless field.
    Guided Tours Only

    Explore buildings on the US Department of Energy’s Hanford Site that existed before and during the Manhattan Project.

  •  An image of a World War II-era fighter plane on a runway with buildings behind it.

    Visit museums throughout the Tri-Cities that help share the Manhattan Project story.

  • A color photo of a woman in a flat hat standing before a building with the word
    Community Sites

    Discover the many places of Hanford and the Tri-Cities that were part of the Manhattan Project and its communities.

  • As the sun goes down, it shines through an old gray building with no windows and nothing inside of i
    Pre-Manhattan Project Sites

    Discover the places that existed long before the development of the Hanford Site.

  • A lone building on a riverbank with mountains in the background.
    Overlooks & Quick Stops

    Enjoy panoramic views of the Tri-Cities region and catch quick glimpses of the past.

  • A black and white photo of many rows of trailers.
    View All Places

    See a full list of places in the Tri-Cities region related to the Manhattan Project.

  • A black and white photo of two people at table.
    Explore Places by Themes

    Explore places through the themes that weave them together such as secret cities and untold stories.

  • A color map with green markers. The base color of the map is tan.

    View a map of Manhattan Project sites within the Tri-Cities region.



Last updated: November 21, 2023

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Contact Info

Mailing Address:

Manhattan Project National Historical Park
c/o NPS Intermountain Regional Office
P.O. Box 25287

Denver, CO 80225-0287


Hanford: 509.376.1647
Los Alamos: 505.661.6277
Oak Ridge: 865.482.1942

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