The seminary is named after American rabbi Marshall Meyer, a New York native who worked to revitalize the Conservative movement in Buenos Aires from 1958 to 1984.
Waters completed his tour without his infamous Nazi costume, an Anne Frank comparison or his inflatable pig with a star of David. However, he insulted a Jewish hotel owner on stage.
The US embassy said it is back to normal operations on Wednesday afternoon.
Argentina is home to an estimated 180,000 Jews, the sixth-largest Jewish population of any country in the world.
After the war, many Nazi officials including death camp supervisor Adolf Eichmann also emigrated to Argentina to avoid trials for war crimes.
Born in what is now Ukraine in 1900 and raised in Poland, Liberman immigrated to Buenos Aires in 1922, joining a wave of Jewish immigration from Eastern Europe to South America.
The dinosaur's bones were so big they caused the van carrying them to a Buenos Aires laboratory to tip over, though no one was injured and the remains were left intact.