13min - The Greater Yellowstone Area was once a rich grazing ground for huge Columbian mammoths; now, it's a prime hunting ground for paleontologists and archaeologists to study the remains of these beasts.
20min - Montana's Hell Creek Formation is home to a trove of late Cretaceous fossils, revealing the last days of the dinosaurs; researchers have found a complete Triceratops skull that may reveal one of the last prehistoric battles before dinosaurs vanished.
15min - Craters of the Moon National Monument is desolate, but 2,200 years ago, it was the site of today's Yellowstone Hotspot, known for violent eruptions and huge craters.
Sea el primero en escribir una reseña de este título
La vida en nuestro planeta
Planeta prehistórico
Colonia Pingüino
OceanXplorers
Shark Week
Mississippi
Los secretos de los pulpos
Tsunami: Carrera contra el tiempo
Los Secretos de las ballenas
Tierra y agua
Islas Paradisíacas
Parques nacionales majestuosos
