Turkey - 仙境煙窗 Fairy Chimney , Hoodoo in Turkey

Hoodoo within the Chinle Formation, west of Moab, Utah, along the Chicken Corners off-road trail. Ridge in background is part of the Wingate Sandstone.

A Hoodoo (also called a tent rock, fairy chimney, and earth pyramid) is a tall, thin spire of rock that protrudes from the bottom of an arid drainage basin or badland. Hoodoos consist of soft sedimentary rock topped by harder, less easily eroded stone that protects each column from the elements.

Hoodoos in Bryce Canyon National Park, Utah.

They are mainly located in the desert in dry, hot areas. In common usage, the difference between hoodoos and pinnacles or spires is that hoodoos have a variable thickness often described as having a "totem pole-shaped body." A spire, on the other hand, has a smoother profile or uniform thickness that tapers[clarification needed] from the ground upward.

Yehliu (The Queen's Head)

Hoodoos range in size from that of an average human to heights exceeding a 10-story building. Hoodoo shapes are affected by the erosional patterns of alternating hard and softer rock layers. Minerals deposited within different rock types cause hoodoos to have different colors throughout their height.

 Hoodoos east of Drumheller, Alberta

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