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The northeast side of Keyhole Mesa in the First Forest of 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
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 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.
Ancient Indian petroglyphs on a boulder near Martha's Butte in Petrified Forest National Park Arizona.
Panorama view of the Petrified Forest National Park from the First Forest Trail, 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
Panorama view of the Painted Desert from Tiponi Point in Petrified Forest National 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
Hills of Demons and Fallen Angels, The Devil's Playground in 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 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
Pile of petrified wood along the trail to Martha's Butte in 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
Petrified Wood in the First Forest of 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
A divide in the trail leading to the historic Agate House 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
A petrified log called the Agate Bridge 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
One of the few petrified trees almost intact, The Onyx 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
Panorama of the First Forest 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 pillar of sandstone on the west side 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 petrified log along the trail to Martha's Butte in Petrified Forest National Park Arizona.
A sandy dry pond in Tiponi Valley within 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.
A pointed peak of bentonite in Hamilili Valley on the south end of 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 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 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.
Various hoodoos in Angels Garden at Petrified Forest National Park, Arizona, United States of America, North America
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
Petrified Forest, fossilised tree trunks, Damaraland, Kunene Region, Namibia, Africa
Hierve el Agua petrified waterfall in Oaxaca, Mexico, North America
A flowing Spring of salty brine water in Petrified Forest National Park Arizona. Located below Pintado Point.
A lone hoodoo on the edge of Angels Garden in Petrified Forest, Arizona, United States of America, North America
Close-up of fossilised tree trunks, Petrified Forest, Damaraland, Kunene Region, Namibia, Africa
The cliffs overlooking the First Forest at 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.
View from the end of a small box canyon on the west side of Lower Blue Mesa at 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.
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
Petroglyphs, 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.
A marshy watering hole in Petrified Forest National Park Arizona called Tiponi Flats.
View of Troll Hill at Petrified Forest National Park Arizona along the Red Basin Trail.
Various hoodoos in Angels Garden at Petrified Forest National Park, Arizona, United States of America, North America
Petrified Log below Chinde Point in 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.
A giant petrified log on the Purple Peninsula in Petrified Forest National Park, Arizona, United States of America, North America
A valley in Petrified Forest National Park, west of the Tepees, Arizona, United States of America, North America
A bend in the creek that flows through the Red Basin in Petrified Forest National Park Arizona.
A pair of hoodoo formations near the Red Basin in Petrified Forest National Park Arizona called the Red Basin Gnomes.
View of the West End of the Red Basin from a hilltop at 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
An area south of the Tepees in Petrified Forest National Park known as the Little Tepees, Arizona, United States of America, North America
A valley in Petrified Forest National Park, west of the Tepees, Arizona, United States of America, North America
A field of shattered wood in Tiponi Canyon in Petrified Forest National Park Arizona.
Ancient Indian petroglyphs along the Onyx Trail at Petrified Forest National Park, Arizona, United States of America, North America
The red water of Lithodendron Wash, red from bentonite clay, in Petrified Forest National Park, Arizona, United States of America, North America
An area south of the Tepees in Petrified Forest National Park known as the Little Tepees, Arizona, United States of America, North America
A valley in Petrified Forest National Park, west of the Tepees, Arizona, United States of America, North America
Slabs of stone along the Red Basin Trail called the Tabletops at Petrified Forest National Park Arizona.
Onyx Bridge at Petrified Forest National Park, Arizona, United States of America, North America
A hoodoo in Angels Garden at Petrified Forest, shaped like a dragon's head, 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 wood and an eroded hill, Petrified Forest National Park, Arizona, United States of America, North America
Badlands, Petrified Forest National Park, Arizona, United States of America, North America
Walkway through cold lava in the Craters of the Moon National Park, Idaho, United States of America, North America
View from below Chinde Point at Petrified Forest National Park Arizona.
View of the Blue Forest plains from the lower part of Blue Mesa in Petrified Forest National Park Arizona.
The purple entrance of the Red Basin at Petrified Forest National Park Arizona.
Badlands, Petrified Forest National Park, Arizona, United States of America, North America
A rock hoodoo in Pharaoh's Garden at Petrified Forest Arizona that resembles a Duck head.
An area south of the Tepees in Petrified Forest National Park known as the Little Tepees, Arizona, United States of America, North America
Cold lava walls in the Craters of the Moon National Park, Idaho, United States of America, North America
Walkway through cold lava in the Craters of the Moon National Park, Idaho, United States of America, North America
Giant petrified logs on the Purple Peninsula in Petrified Forest National Park, Arizona, United States of America, North America
Walkway through cold lava in the Craters of the Moon National Park, Idaho, United States of America, North America
A field of shattered wood in Tiponi Canyon in Petrified Forest National Park Arizona.
View of the Blue Forest plains from the lower part of Blue Mesa in Petrified Forest National Park Arizona.
Onyx Bridge at Petrified Forest National Park, Arizona, United States of America, North America
Walkway through cold lava in the Craters of the Moon National Park, Idaho, United States of America, North America
The north hills of Tiponi Valley in Petrified Forest National Park Arizona.
The "Petrified" a group of shrouded, life-size figures by Swiss artist Carl Bucher denouncing the violation of human rights at the entrance of the Museum of the International Red Cross in Geneva, Switzerland