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Ancient Indian petroglyphs on a boulder near Martha's Butte in Petrified Forest National Park Arizona.
A very long fossilized tree along the Long Logs Trail at Petrified Forest National Park, Arizona, United States of America, North America
A small hill of gray bentonite clay that appears to be melting into the purple bentonite of Hamilili Valley on the south end of Petrified Forest National Park, Arizona, United States of America, North America
A purple canyon with a dry creek in between hills of bentonite in Petrified Forest National Park, 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
The North Valley below the Blue Mesa in 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 rock spire sculpted by the wind on Crystal Mesa west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America
Towering Hoodoos in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
An Indian dwelling in Petrified Forest National Park called the Agate House, built between 1030AD and 1300AD, Arizona, United States of America, North America
Petrified forest, Agia Marina, Agios Nikolaos Geopark, beach with turquoise water in the south of Greece, Greece
Formation in the Petrified Forest National Park called a Teepee, 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
Salt covered hills of Bentonite in the Petrified Forest National Park along the Blue Forest Trail, Arizona, United States of America, North America
A ridge in the Devil's Playground of crumbling hoodoos that resemble Goblins, Petrified Forest National Park, Arizona, United States of America, North America
Panorama of a ridge in the Devil's Playground of crumbling hoodoos, Petrified Forest National Park, Arizona, United States of America, North America
Three hoodoos in a triangular formation in Devil's Playground called the Unholy Trinity, Petrified Forest National Park, Arizona, United States of America, North America
Three hoodoos in a triangular formation in Devil's Playground called the Unholy Trinity, Petrified Forest National Park, Arizona, United States of America, North America
A petrified log along the trail to Martha's Butte in Petrified Forest National Park Arizona.
A petrified tree stump along the east rim of Tiponi Valley in Petrified Forest National Park Arizona.
Giant pieces of broken petrified wood in Jasper Forest at Petrified Forest National Park Arizona.
A paved walkway leading to the entrance of the Long Logs Trail in Petrified Forest National Park, Arizona, United States of America, North America
The Giant Petrified Logs of Petrified Forest National Park, located along a trail behind the Rainbow Museum, Arizona, United States of America, North America
Petrified wood and an eroded hill, Petrified Forest National Park, Arizona, United States of America, North America
A rock hoodoo shaped like a horse head, along the base of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America
An eroded sandstone formation called a Sandcastle, below the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America
A long formation of purple Bentonite clay called the Purple Peninsula, 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
An ominous looking hoodoo in Devil's Playground at 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
An Indian dwelling in Petrified Forest National Park called the Agate House, built between 1030AD and 1300AD, Arizona, United States of America, North America
A rock formation called Agate Mesa, Petrified Forest National Park, Arizona, United States of America, North America
A Bentonite formation in Petrified Forest National Park near Crystal Forest called the Battleship, Arizona, United States of America, North America
A hoodoo ridge in Devil's Playground at Petrified Forest National Park, Arizona, United States of America, North America
Ancient Indian petroglyphs on a boulder near Martha's Butte in Petrified Forest National Park Arizona.
Salt covered hills of Bentonite in the Petrified Forest National Park along the Blue Forest Trail, Arizona, United States of America, North America
The northeast side of Keyhole Mesa in the First Forest of Petrified Forest National Park, Arizona, United States of America, North America
Large pieces of petrified wood on the west side of Red Basin in Petrified Forest National Park Arizona, United States of America, North America
A petrified log called the Agate Bridge in Petrified Forest National Park, Arizona, United States of America, North America
The remains of an old road in the Jasper Forest Petrified Forest National Park, built in the 1930s but then abandoned in the 1940s, Arizona, United States of America, North America
An island of rock just off the Billings Gap Trail at Petrified Forest National Park, Arizona, United States of America, North America
Hills of Demons and Fallen Angels, The Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America
Natural stone bridge of petrified wood called Keystone Bridge, located on Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America
A hoodoo formation called Medusa's Child below the cliffs of Agate Plateau in Petrified Forest National Park, Arizona, United States of America, North America
View from Lacey Point in Petrified Forest National Park, Arizona, United States of America, North America
Ancient Indian petroglyphs on a boulder near Martha's Butte in Petrified Forest National Park Arizona.
Pile of petrified wood along the trail to Martha's Butte in Petrified Forest National Park Arizona.
A divide in the trail leading to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America
Panorama view of the Petrified Forest National Park from the First Forest Trail, Arizona, United States of America, North America
Panorama view of the Painted Desert from Tiponi Point in Petrified Forest National Park, Arizona, United States of America, North America
Giant Hoodoos in the Devil's Playground at Petrified Forest National Park, Arizona, United States of America, North America
Panorama of a valley that is the Gateway to the Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America
A hoodoo overlooking Jasper Forest in Petrified Forest National Park Arizona that resembles a Dinosaur Head.
The valley floor of Red Forest at Petrified Forest National Park Arizona.
Hoodoo spires rising above the valley below the south side of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America
View from the summit of Squared Off Butte along the Onyx Trail in Petrified Forest National Park, Arizona, United States of America, North America
View of the Petrified Forest National Park from the Long Logs Trail on the south end of the park, Arizona, United States of America, North America
Panorama view of the Painted Desert from Chinde Point in Petrified Forest National Park, Arizona, United States of America, North America
Mounds of a volcanic clay called Bentonite in the Petrified Forest National Park, Arizona, United States of America, North America
The northwest slope of the Purple Peninsula in Petrified Forest National Park, Arizona, United States of America, North America
A petrified log called the Agate Bridge in Petrified Forest National Park, Arizona, United States of America, North America
The Giant Petrified Logs of Petrified Forest National Park, located along a trail behind the Rainbow Museum, Arizona, United States of America, North America
View from the Blue Mesa Trail in Petrified Forest National Park, Arizona, United States of America, North America
Sand Castle formations on the edge of the Red Basin in Petrified Forest National Park, Arizona, United States of America, North America
A petrified log along the trail to Martha's Butte in Petrified Forest National Park Arizona.
A feminine shaped hoodoo in Petrified Forest Arizona on the north side of the Clam Beds called Queen of Pearls.
Panorama of the First Forest in Petrified Forest National Park, Arizona, United States of America, North America
Petrified Wood in the First Forest of Petrified Forest National Park, Arizona, United States of America, North America
A pillar of sandstone on the west side of Agate Plateau in Petrified Forest National Park, Arizona, United States of America, North America
A hoodoo formation called Medusa's Child, below the cliffs of Agate Plateau in Petrified Forest National Park, Arizona, United States of America, North America
Formation west of Pintado Point in Petrified Forest National Park Arizona called Pintado's Castle.
A giant petrified log balanced on a sandstone pedestal in Petrified Forest National Park Arizona along the Red Basin Trail.
A field of hoodoos along the Red Basin Trail in Petrified Forest National Park Arizona called Pharaoh's Garden.
A pointed peak of bentonite in Hamilili Valley on the south end of Petrified Forest National Park, Arizona, United States of America, North America
Various hoodoos in Angels Garden at Petrified Forest National Park, Arizona, United States of America, North America
One of the few petrified trees almost intact, The Onyx Bridge in Petrified Forest National Park, Arizona, United States of America, North America
Petrified Forest, fossilised tree trunks, Damaraland, Kunene Region, Namibia, Africa
View of Tiponi Gap in the distance from the dry cliff of Tiponi Gap Falls in Petrified Forest National Park Arizona.
A ridge of purple bentonite clay jutting out into Jasper Forest at Petrified Forest National Park Arizona.
View of the salty bentonite hills on the north side of the Blue Forest in Petrified Forest National Park Arizona.
A lone hoodoo on the edge of Angels Garden in Petrified Forest, Arizona, United States of America, North America
Formation west of Pintado Point in Petrified Forest National Park Arizona called Pintado's Castle.
A sandy dry pond in Tiponi Valley within Petrified Forest National Park Arizona.
The shallow pond at Petrified Forest National Park Arizona called Dry Creek Tank along the Red Basin Trail.
The red bentonite hills of the Red Basin in Petrified Forest National Park Arizona.
The red water of Lithodendron Wash, red from bentonite clay, in Petrified Forest National Park, Arizona, United States of America, North America
One of the few petrified trees almost intact, The Onyx Bridge in Petrified Forest National Park, Arizona, United States of America, North America
Petroglyphs, Petrified Forest National Park, Arizona, United States of America, North America
Close-up of fossilised tree trunks, Petrified Forest, Damaraland, Kunene Region, Namibia, Africa
A flowing Spring of salty brine water in Petrified Forest National Park Arizona. Located below Pintado Point.
Ancient Indian petroglyphs on a boulder near Martha's Butte in Petrified Forest National Park Arizona.
Various hoodoos in Angels Garden at Petrified Forest National Park, Arizona, United States of America, North America
The cliffs overlooking the First Forest at Petrified Forest National Park, Arizona, United States of America, North America
A marshy watering hole in Petrified Forest National Park Arizona called Tiponi Flats.
View from the end of a small box canyon on the west side of Lower Blue Mesa at Petrified Forest National Park Arizona.
View of the salty bentonite hills on the north side of the Blue Forest in Petrified Forest National Park Arizona.
An area of the Red Basin in Petrified Forest National Park Arizona where the purple bentonite transitions into red for which the basin is named.
View of the Petrified Forest National Park from the Long Logs Trail on the south end of the park, Arizona, United States of America, North America
A giant petrified log on the Purple Peninsula in Petrified Forest National Park, Arizona, United States of America, North America
Petrified Log below Chinde Point in Petrified Forest National Park Arizona.