A sunflower faces the setting sun in a McKinney, Texas, field.
Powerlines along the shore of Gastineau Channel, Juneau, Alaska.
An abstraction of the Perot Museum of Nature & Science, Dallas.
The sun sets on the Victoria, British Columbia, harbour.
Boats docked at a pier in Haines, Alaska.
Nodding thistles grow in a farm field near McKinney, Texas.
The arch of the Santiago Calatrava-designed Margaret Hunt Hill Bridge swoops through the sky over Dallas, Texas.