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Petrified logs along the Crystal Forest Trail, Petrified Forest National Park

A small group of hikers along the Crystal Forest Trail, looking at the beautifully mineralized log sections in Petrified Forest National Park, in Arizona
Rebecca Latson
Thursday, February 13, 2020

The vibrant colors you see in these petrified logs come from quartz, manganese oxides, and iron oxides. It's hard to believe that millions of years ago, this semi-arid environment was home to lush swamplands filled with forests and now-extince reptiles.

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The Essential RVing Guide

The Essential RVing Guide to the National Parks

The National Parks RVing Guide, aka the Essential RVing Guide To The National Parks, is the definitive guide for RVers seeking information on campgrounds in the National Park System where they can park their rigs. It's available for free for both iPhones and Android models.

This app is packed with RVing specific details on more than 250 campgrounds in more than 70 parks.

You'll also find stories about RVing in the parks, some tips if you've just recently turned into an RVer, and some planning suggestions. A bonus that wasn't in the previous eBook or PDF versions of this guide are feeds of Traveler content: you'll find our latest stories as well as our most recent podcasts just a click away.

So whether you have an iPhone or an Android, download this app and start exploring the campgrounds in the National Park System where you can park your rig.