10. Visit the Grand Canyon Skywalk, a glass-bottomed observation deck that extends out over the canyon.

9. Go stargazing at night, the Grand Canyon-Parashant National Monument is an International Dark Sky Park.

8. Attend a ranger-led program to learn about the canyon's geology, ecology, and history.

7. Visit the Grand Canyon Village and explore the historic buildings and museums.

6. Take a mule ride to the bottom of the canyon.

5. Go river rafting on the Colorado River.

4. Take a stroll along the Rim Trail for views of the canyon and the Colorado River.

3. Take a helicopter or airplane tour for an aerial perspective of the canyon.

2. Take a scenic drive along Desert View Drive for panoramic views of the canyon.

1. Hike to the bottom of the canyon on the Bright Angel or South Kaibab trails.