A trip to Las Vegas wouldn't be complete without experiencing the awe-inspiring natural wonders just outside of it — particularly the Grand Canyon. We've rounded up the best Grand Canyon tours ...

The Grand Canyon is the biggest canyon on earth: 277 miles long, 10 miles wide, and a mile deep. It contains some of the oldest exposed rock on earth, Precambrian Vishnu schist, formed 1.7 billion ...

You can also add a two-hour Hummer excursion to the tour. The best Grand Canyon helicopter tours range anywhere from around $350 to $600 per person, depending on the tour type, company and add-ons ...