America's 58 National Parks

Badlands: Petrified Forest (1x29)

Data di messa in onda: Feb 20, 2013

Best known for globally significant Late Triassic fossils, the park attracts many researchers. Geologists study the multi-hued Chinle Formation. Archeologists research over 13,000 years of history. Biologists explore one of the best remnants of native Arizona grassland. Air quality is an ongoing study in the park. Discover your own passion at Petrified Forest!