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Balanced rock that resembles a toadstool, petrified wood scattered around the formation, Petrified Forest National Park, Arizona, United States of America, North America

A giant petrified log on a sandstone pedestal on the edge of the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Flat top hoodoo on the edge of a cliff along the Billings Gap Trail on Blue Mesa, Petrified Forest National Park, Arizona, United States of America, North America

Large storm approaching Blue Mesa in Petrified Forest National Park, viewed from the Red Basin Trail, near Holbrook, Arizona, United States of America, North America

A circular walkway for the Long Logs Trail in Petrified Forest National Park, Arizona, United States of America, North America

The summit of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Mushroom shaped sandstone spire on an eroded ridge west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Tall hoodoo towers in the valley below Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

A hoodoo spire shaped like a Horse Head, in the valley below Blue Mesa of Petrified Forest National Park, Arizona, United States of America, North America

A valley below the east cliffs of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America

Slabs of brown sandstone on the summit of Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

A rock table sculpted by the wind on Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Anvil Hill west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

A dry waterfall in Crystal Creek below Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Petrified Waterfall at dusk, elevated view, Hierve el Agua, San Lorenzo Albarradas, Oaxaca State, Mexico

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Huge formations of Bentonite Clay called the Teepees in the Petrified Forest National Park, Arizona, United States of America, North America

A dry waterfall made of purple bentonite in the Flat Tops of Petrified Forest National Park, Arizona, United States of America, North America

View from below the north cliffs of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Hills of purple and gray bentonite near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A solitary rock hoodoo in the purple badlands near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A solitary rock hoodoo in the purple badlands near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A sign along the main road pointing the way to the Long Logs Trail, and Agate House, Petrified Forest National Park, Arizona, United States of America, North America

Purple hills of volcanic bentonite near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

The Billings Gap Overlook on the east side of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

The Billings Gap Overlook on the east side of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

The Red Mountains rising behind the petrified sand dunes at Snow Canyon State Park, Southern Utah, United States of America, North America. Many famous films were made in the park which forms part of the Red Cliffs Desert Reserve.

The Red Mountains rising behind the petrified sand dunes at Snow Canyon State Park, Southern Utah, United States of America, North America. Many famous films were made in the park which forms part of the Red Cliffs Desert Reserve.

The Red Mountains rising behind the petrified sand dunes at Snow Canyon State Park, Southern Utah, United States of America, North America. Many famous films were made in the park which forms part of the Red Cliffs Desert Reserve.

Hoodoo filled cliffs on the north side of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Billings Gap Overlook on Blue Mesa towards sunset, Petrified Forest National Park, Arizona, United States of America, North America

A cliff cave below Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Goblin Garden west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Mounds and cliffs of expansive clay called Bentonite in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America

The Lithodendron Wash in the Petrified Forest National Park, Arizona, United States of America, North America

A large petrified log along the Blue Mesa Trail in Petrified Forest National Park, Arizona, United States of America, North America

Panorama view of the Painted Desert from Tawa Point in Petrified Forest National Park, Arizona, United States of America, North America

Hills of blood red bentonite clay below Kachina Point in Petrified Forest National Park, Arizona, United States of America, North America

Hoodoo formations in the Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America

A dry waterfall ledge on the south end of Agate Plateau overlooking Jasper Forest in Petrified Forest National Park Arizona.

North East Branch of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

A dry waterfall in Crystal Creek below Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

The paved trail that leads to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

An information sign detailing the history of Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A divide in the trail loop for the Giant Logs trail at Petrified Forest National Park with the Rainbow Forest Museum on upper left, Arizona, United States of America, North America

Steps along the Giant Logs Trail leading to a scenic overlook in Petrified Forest National Park, Arizona, United States of America, North America

Rock islands above the purple badlands near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A solitary rock hoodoo in the purple badlands near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Sign along the path to the Long Logs Trail, marking the Jim Camp Wash along the main road of Petrified Forest National Park, Arizona, United States of America, North America

The map sign at the gateway for the Long Logs Trail and Agate House in Petrified Forest National Park, Arizona, United States of America, North America

The sun shade shelter along the Long Logs Trail at Petrified Forest National Park, Arizona, United States of America, North America

A lone hoodoo rock on the edge of a ridge overlooking the Jim Camp Wash on the south end of Petrified Forest National Park, Arizona, United States of America, North America

View from below a ridge that overlooks the Jim Camp Wash on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A hoodoo called the Zuni Warrior on the edge of a cliff near Hamilili Point, Hamilili is Zuni meaning petrified wood, Petrified Forest National Park, Arizona, United States of America, North America

Sandstone that has been eroded into forms that resemble clam shells on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A narrow slot canyon of bentonite on the south end of Petrified Forest National Park, Arizona, United States of America, North America

East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

The south Haystack Hill in Petrified Forest National Park, Arizona, United States of America, North America

A dry waterfall west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Goblin Garden west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Formation called Agate Mesa, viewed from a group of petrified wood in the foreground, Petrified Forest National Park, Arizona, United States of America, North America

Panorama of three hoodoos shaped like kings, on the edge of the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

A warning sign to stay on the trail to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A warning sign to stay on the trail to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

Purple badlands of bentonite near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A cliff overhang shaped like the head of a Duck west of Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Crumbling cliffs of a mesa near Hamilili Point in Petrified Forest, Arizona, United States of America, North America

Small mesas with flat tops called Rock Islands on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A ridge of gray bentonite viewed from a nearby flat top mesa on the south end of Petrified Forest National Park, Arizona, United States of America, North America

The Little Teepees on the north side of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

A shallow cave carved out of a cliff wall below the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

The pedestal of Eagle Nest Rock in Jasper Forest Petrified Forest National Park, the rock fell down in 1941 due to heavy rain, Arizona, United States of America, North America

Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece

Sand Castle formations on the edge of the Red Basin in Petrified Forest National Park, Arizona, United States of America, North America

A sheer cliff of rock jutting out from the Blue Mesa along the Billings Gap Trail in Petrified Forest National Park, Arizona, United States of America, North America

Field of hoodoos in Goblin Garden in the Flat Tops of Petrified Forest National Park, Arizona, United States of America, North America

East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Closeup of the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A scenic overlook on the west side of the Giant Logs Trail at Petrified Forest National Park, Arizona, United States of America, North America

A scenic overlook on the west side of the Giant Logs Trail at Petrified Forest National Park, Arizona, United States of America, North America

A deep canyon eroded thru the hills of purple and gray bentonite clay near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

View of a bentonite hill along the Long Logs Trail in Petrified Forest National Park, Arizona, United States of America, North America