The tallest dinosaur is the Brachiosaurus brancai, according to the Guinness Book of World Records. It was 43 feet 6 inches tall. This skeleton is on display at the Museum für Naturkunde der Humboldt Universität zu Berlin in Germany.
As of 2014, the skeleton on display as the record holder for the tallest dinosaur is 150 million years old and has been in the museum since 1937. It is now on permanent display for viewing. The entire recreated dinosaur is made from 65 percent original fossils, and the rest is a model, according to the Guinness Book of World Records. The record was set June 1, 2007.