Holbrook, Arizona
Petrified Forest National Park
See massive fossils that are over 200 million years old in northeastern Arizona.
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Holbrook, Arizona
See massive fossils that are over 200 million years old in northeastern Arizona.
Hanksville, Utah
A Mars simulation in the southern Utah desert.
Flagstaff, Arizona
This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.