And if you're headed there soon, these maps and books might be handy—and are on sale to celebrate the Grand Canyon's 100th year as a national park: https://bit.ly/2GM5A7b

And if you're headed there soon, these maps and books might be handy—and are on sale to celebrate the Grand Canyon's 100th year as a national park: https://bit.ly/2GM5A7b 

https://twitter.com/NatGeoTravel/status/1100834650681982976