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National Geographicfrom National Geographic

Hoh Rain Forest Picture – Olympic National Park Wallpaper - National Geographic Photo of the Day

Hoh Rain Forest, Olympic National Park

Mail Onlinefrom Mail Online

The sights and SOUNDS that make up the top five weirdest natural formations in the U.S.

Petrified Forest National Park (Arizona). This portion of the Chinle Formation has a great concentration of 225-million-year-old petrified wood. The surrounding region, the Painted Desert, has eroded red-hued volcanic rock called bentonite. There are also dinosaur fossils and over 350 Native American sites.