The moon's grand canyons were carved in the blink of an eye
The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.
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The 'Grand Canyon Of The South' Is A Postcard-Worthy Park Nestled In Serene Appalachian Beauty
However, although the Grand Canyon is truly a once-in-a-lifetime ... Thrill seekers wanting a bird's-eye view can fly over the treetops on the Canyon Rim Zip Line. Before you go, check online ...