Using more than 900 artifacts , 70 video monitors , and four theaters showing historic film footage and eyewitness testimonies , the USHMM 's Permanent Exhibition is the most visited exhibit at the Museum . Upon entering large industrial elevators on the first floor , visitors are given identification cards , each of which tells the story of a person such as a random victim or survivor of the Holocaust . Upon exiting these elevators on the fourth floor , visitors walk through a chronological history of the Holocaust , starting with the Nazi rise to power led by Adolf Hitler , 1933-1939 . Topics dealt with include Aryan ideology , Kristallnacht , Antisemitism , and the American response to Nazi Germany . Visitors continue walking to the third floor , where they learn about ghettos and the Final Solution , by which the Nazis tried to exterminate all the Jews of Europe , and they killed six million of them , many in gas chambers . The Permanent Exhibition ends on the second floor with the liberation of Nazi concentration camps by Allied forces ; it includes a continuously looped film of Holocaust survivor testimony . First-time visitors spend an average of two to three hours in this self-guided exhibition . Due to certain images and subject matter , it is recommended for visitors 11 years of age and older
Kristallnacht
Kristallnacht
United States Holocaust Memorial Museum