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Learn more about Manhattan Project National Historical Park.

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The Manhattan Project National Historical Park consists of three sites located in Oak Ridge, Tennessee; Los Alamos, New Mexico; and Hanford, Washington.  Newly opened in 2015, this historic park features sites, facilities, equipment, and artifacts associated with an unprecedented top-secret government program known as the Manhattan Project.  The project enabled the U.S. to develop the atomic weapons that brought an end to World War II. The legacy of Manhattan Project's is seen in many areas such as space travel, nuclear medicine, and energy production to name a few.  The Manhattan Project National Historical Park tells the stories of people, events, science, and engineering that changed the world forever.

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Graphite Reactor at ORNL
Graphite Reactor at ORNL
K-25 Site
K-25 Site in 1945 - each arm of the plant was a mile long.
American Museum of Science and Energy
Discover what has happened with Nuclear Research from 1945 thru today!
Movie night in Oak Ridge
Movies, dances and music were some of the things Oak Ridgers were able to do inside the Secret City.
Graphite Reactor
Wall of the Graphite Reactor at Oak Ridge National Laboratory.
K25 History Museum
Exhibit at the K25 History Museum
Manhattan Project National Historical Park

For the most up-to-date hours and information, please contact Manhattan Project National Historical Park directly.


461 W Outer Dr
Oak Ridge, TN 37830


Questions? Please Email
Contact Phone Number

Admission Rates

Adults – $8.00
Seniors – $7.00
Children 3 & Up – $6.00
Children under 3 – FREE
Members – FREE

Group Rate:
Children and parents/chaperones – $5.00
Teacher and bus driver – FREE


The American Museum of Science and Energy and K25 History Museum are Open Year ‘Round:
Monday - Saturday: 9:00 a.m. – 5:00 p.m.
Sunday: 1:00 – 5:00 p.m.

Dates Closed
Closed: New Years Eve, New Years Day, Easter, Memorial Day, Fourth of July, Labor Day, Thanksgiving Day, Christmas Eve and Christmas Day.

Payment Methods Accepted

  • AMEX
  • Cash
  • Discover
  • Mastercard
  • Visa

Discounts Given

  • Student Discount
  • Senior Citizen Discount
  • Other Discounts
  • Group Discount

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