Power lines run along the edge of the Great Trinity Forest as dawn breaks over South Dallas.
A Port of Galveston, Texas, pilot boat carries a port pilot to a ship as dawn breaks over the Gulf of Mexico.
A new day begins in Colorado Springs, Colorado.
The 1,215-foot (370 m) high Kennecott Garfield Smelter Stack in the pre-dawn twilight near Tooele, Utah.
Detail of sculptor Robert Irwin’s large-scale “untitled (dawn to dusk)” on the grounds of the Chinati Foundation, Marfa, Texas.