Visit a geologic treasure chest in the high desert of Northern Arizona. Located near the town of Holbrook, Petrified Forest encompasses both sides of Interstate 40 in Northern Arizona. Visitors to the drive-through park enter at the north section off I-40 or the south section off Highway 180., Petrified Forest National Park is small so you really only need one day to explore it. In this article, learn the best things to do in Petrified Forest National Park, how to manage your time, where to stay, and more., Arizona's Petrified Forest National Park is a can't-miss destination for those looking for otherworldly landscapes. Location: Arizona Established: December 9, 1962 Size: 135,000 acres. A, Petrified Forest National Park in Arizona is one of the lesser-known of the 63 national parks in the United States. Petrified Forest National Park in Arizona is a drive-through park that can easily be seen in two hours to a full day. There are two visitor centers (one at each end), several viewpoints, a few short hikes through petrified forests and painted deserts, Pueblo ruins, and even a , Nestled in the heart of northeastern Arizona, the Petrified Forest National Park is a geological marvel, a vibrant tapestry of history, science, and natural beauty. Spanning over 200,000 acres, this park is a testament to the Earth’s ancient past, where fossilized trees, colorful badlands, and traces of prehistoric life converge to tell a , That is Petrified Forest National Park in a nutshell. This small park in eastern Arizona is home to one of the most unique forests in the National Park system. Unlike other forests, Petrified Forest’s trees are all dead. Its most famous trees are millions of years old and have been turned to stone..