A beautifully landscaped complex overlooking Jerusalem that is rich in information.
The museum traces the roots of "modern" anti-Semitism, Hitler's rise to power and the methods he then used to exterminate Jews and those who tried to help them. There are personal stories of survivors, tales of those who perished and portraits of those who risked their lives to save Jews.
The displays are full of photos, text and video clips, as well as artifacts. They tell the stories of what happened to the Jewish population of each European country.
It's an amazing museum -- very scholarly -- but its completeness means there is an overwhelming amount of information available. I recommend a couple of strategies:
-- pick one or two countries of interest and focus on their stories, bypassing the others; or
-- spend an hour or so, retrace your steps to the coffee shop for a break and return for more.
It's a complex, not just one building, so there are other areas besides the museum itself: for example, the Avenue of the Righteous has plaques immortalizing non-Jews who risked their lives to help their fellow human beings, and the Children's Memorial, designed by renowned architect Moshe Safdie, a stunningly beautiful and haunting spot.