Photographs preserve for posterity the historical moments of the world. Fortunately, we have just discovered these priceless assets of humanity.

Revealing a series of rare photos recording little-known things in history Picture 1
A photo of Queen Genepil, the last queen of Mongolia, in 1920.

Revealing a series of rare photos recording little-known things in history Picture 2
Portrait of Arctic explorer Peter Freuchen and his wife, fashion illustrator Dagmar Cohn. This photo was taken in 1947.

Revealing a series of rare photos recording little-known things in history Picture 3
A lone man refuses to do the Nazi salute, 1936.

Revealing a series of rare photos recording little-known things in history Picture 4
Final construction in the US, 1936.

Revealing a series of rare photos recording little-known things in history Picture 5
The legendary Camp Nou stadium in Barcelona, ​​1925.

Revealing a series of rare photos recording little-known things in history Picture 6
Rare photo of the king of rock and roll, Elvis Presley serving in the army, 1958.

Revealing a series of rare photos recording little-known things in history Picture 7
Disneyland staff and cafeteria in 1961.

Revealing a series of rare photos recording little-known things in history Picture 8
Few people may know this, but this was the construction site of the Statue of Liberty, in 1884.

Revealing a series of rare photos recording little-known things in history Picture 9
Nagasaki just minutes after the bombing in 1945. This is a little-known historical moment that was recorded.

Revealing a series of rare photos recording little-known things in history Picture 10
An engineer wires up an early IBM computer in 1958.

Revealing a series of rare photos recording little-known things in history Picture 11
Nikola Tesla sitting in his laboratory with his 'Magnifying Transmitter' , December 1899.

Revealing a series of rare photos recording little-known things in history Picture 12
In the late 1930s, Budapest, Hungary attempted to reduce the suicide rate by establishing the 'Smile Club' : A club that taught people to smile.