on the South Rim of Grand Canyon National Park. U.S. News Insider Tip: Since parking is hard to find beyond the visitor center's main parking lot, opt for one of the park's free shuttles and pack ...

One of the more controversial additions to the Grand ... Canyon West. Purists initially criticized the construction of the Skywalk, claiming it ruined the area's natural aesthetic. Still, the ...

But further inside the park's borders, you'll find the Grand Canyon of Yellowstone. This 1,000-foot-deep formation is also an essential thing to see even if you only have one day in Yellowstone.