• The Agate Fossil Hills where mammal fossils were excavated in the early 1900's

    Agate Fossil Beds

    National Monument Nebraska

There are park alerts in effect.
show Alerts »

  • Visitor Center Hours

    The visitor center at Agate Fossil Beds will be open the following hours: Memorial Day till Labor Day Open Daily 9 am - 5 pm; Labor Day till Memorial Day Open Daily 8 am - 4 pm. Closed Thanksgiving, Christmas, and New Years Day.

The Cook Collection

Did You Know?

The Fossil Hills, containing the main excavation sites. Carnegie Hill on the right, and University (of Nebraska) Hill on the left.

At Agate Fossil Beds many years separated different excavations.  In 1981 University of Nebraska scientists screened the soil near a 1908 Carnegie excavation site and found a beardog tibia fragment fitting one found in the earlier dig. This site also revealed actual beardog dens. More...