Travelers can dig up 66-million-year-old dinosaur fossils in New Jersey or mine for diamonds at an Arizona state park. See more U.S. locations where you can hunt for treasures.

The museum hopes that after learning about the planet’s prehistoric past, people will do more to preserve Earth’s future.

The Jean & Ric Edelman Fossil Park & Museum of Rowan University is now open in New Jersey. The highly-anticipated building, ...