This mastodon skull was excavated in Wayne County. A local group of volunteers worked on the dig and created this wooden frame to transport the fragile material to Iowa City. Currently the clay ...

A homeowner in New York uncovered a complete mastodon jaw in their backyard in what officials are calling a "remarkable ...

More than 13,000 years ago, a mastodon died in what would become Wayne County, Iowa. Thanks to a keen-eyed land owner, a local museum, the University of Iowa and the Office of the State ...