This quarry is known for its museum-quality fossilised creatures – from bats to fish to a Miohippus – a prehistoric three-toed horse. Adults might pay $159 per day, which includes all tools.

Prehistoric dogs roamed the state when it became terrestrial. Miohippus means “miniature horse.” It’s an extinct genus of prehistoric horses that lived during the Late Eocene to Late Oligocene.

Nebraska, in the heart of the U.S., lays claim to the largest sand dune formation in the country. Wind-deposited dunes covered with native grasses undulate across 19,600 square miles, nearly a ...