One of the great vestiges of the Cold War is the Greenbrier bunker, a facility built to house all 535 members of Congress in the event of a nuclear attack.

Today, millions of nuclear medicine procedures are performed in the United States every year, where the legacy of the Manhattan Project lives on in the treatment and visualization of disease.

Shortly after its discovery, radiation became an invaluable part of medicine. However, people soon realized that radiation could also be extremely dangerous.

The Manhattan Project produced a large number of radioactive substances, and as a result scientists intensified research into the overlap of nuclear science and medicine.

As scientists decided which materials they would use to build the early nuclear reactors, some staked their country’s nuclear programs on small amounts of a substance practically indistinguishable from water.

Innovations in high-speed photography at Los Alamos helped develop photography into its modern-day form.

A detailed timeline of the bombings of Hiroshima and Nagasaki.

A list of the planes and the crews that flew on the Hiroshima and Nagasaki bombing missions.

Although frequently omitted from official histories, Hispanos have served in pivotal positions at Los Alamos since its inception.