Biggest dinosaur in North America – the Alamosaurus
[caption id="attachment_10716" align="alignnone" width="400" caption="An artist's impression of the giant Alamosaurus, now believed to be the biggest dinosaur ever to ...
[caption id="attachment_10716" align="alignnone" width="400" caption="An artist's impression of the giant Alamosaurus, now believed to be the biggest dinosaur ever to ...