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.
U.S. News & World Report1y
4 Best Grand Canyon Helicopter Tours (Options from Vegas)
Enjoy a bird's-eye view of both the South Rim and North Rim ... You can also add a two-hour Hummer excursion to the tour. The best Grand Canyon helicopter tours range anywhere from around $350 ...