"an outstanding example of a nuclear test site" (OUV)

Fermi's laboratory
See museum.cref.it

"Germany took over Rjukan’s facilities during WWII and built installations to produce heavy water shipped to Germany for use in controlling nuclear fission." (AB ev)

For the uranium mining at Jachymov and the 'Red Tower of Death'

It was the UK's first nuclear warning station

"The Hiroshima Peace Memorial (Genbaku Dome) is the only structure left standing near the hypocenter of the first atomic bomb which exploded on 6 August 1945" (Brief synthesis OUV)