Things were happening in the ' New World ' a long , long time ago . See where the dinosaurs roamed at Dinosaur Provincial Park in Alberta . Cahokia Mounds looks like a grouping of giant lumps in the earth -- hills where no hills should be , built by the Mississippian culture more than 1,000 years ago . The marvels of the Olmec culture in Guatemala and Oaxaca , Mexico .
Things were happening in the ' New World ' a long , long time ago . See where the dinosaurs roamed at Dinosaur Provincial Park in Alberta . The marvels of the Olmec culture in Guatemala and Oaxaca , Mexico .