Members of the federal police showing a bust portrait of Nazi leader Adolf Hitler at the Interpol headquarters in Buenos Aires, Argentina. Natacha Pisarenko (Associated Press) Earlier this month, police in Argentina raided the home of an art collector and found a door leading to a room full of Nazi knives, sculptures, medical devices, magnifying glasses, and a large bust portrait of Adolf Hitler.

"There are no precedents for a find like this," Nestor Roncaglia, the head of Argentina's federal police, told The Associated Press. "Pieces are stolen or are imitations. But this is original, and we have to get to the bottom of it."

Patricia Bullrich, Argentina's security minister, told the AP: "There are objects to measure heads that was the logic of the Aryan race."

Investigators are trying to figure out how such an extensive collection of Nazi memorabilia made it into the South American country, where several Nazi officials fled at the end of World War II.

Here is the disturbing collection of Nazi artifacts that spent years collecting dust in one man's apartment in northern Buenos Aires: