Detail of a crane at Hoover Dam, Nevada. This crane was one of the original cranes used during construction of the dam in the 1930s.
The eroded landscape of Palo Duro Canyon, Texas.
Red clay and rocks at a construction site in Tyler, Texas.
Dried mud in Palo Duro Canyon, Texas.
Rough-hewn flagstones stones form a sidewalk in Addison Circle Park, Addison, Texas.
A ridge meanders through the clouded, overcast sky at Palo Duro Canyon, Texas.