The Western Wall, also known as the Wailing Wall, is the holiest site in Judaism. It is a remnant of the second Jewish temple and Jews pray and place petitions in the wall's cracks. The Wall is always crowded with Jewish men and women praying separately. Important life events like bar mitzvahs and weddings are also celebrated there. Yad Vashem is a Holocaust memorial and museum located in Jerusalem that commemorates the six million Jews killed in the Holocaust. It works to perpetuate Holocaust memory and features exhibits documenting the Nazi rise and Jewish experiences.