Above is Chimney Rock, tallest of the approximately 67 pipes of sedimentary rock in Kodachrome Basin State Park, Utah.
These beguiling pipes range in size from 6 to 170 ft (2 to 52 m) with most being 30 to 50 ft tall (9 to 15 m).
There are more of these rock spires in this basin than there are anywhere else in the world.

The pipes may be the remnants of ancient cracks or springs that have filled with sediments, which ultimately cemented together
and became harder and more resistant to erosion than the surrounding rock. Over time, the softer rock layers may have been worn away, exposing the sedimentary pipes.