An abstract view of the supports for Dallas’ Continental Avenue Bridge.
Architectural detail of Dallas’ Santiago Calatrava-designed Margaret Hunt Hill Bridge.
The last light of day illuminates San Francisco’s Golden Gate Bridge.
A roll-on/roll-off ship sails underneath the Golden Gate Bridge as it enters San Francisco Bay.
Rope bridges connect trees to one another at Anakeesta Mountain Park, Gatlinburg, Tennessee.
The Golden Gate Bridge stretches across San Francisco Bay towards the Marin Headlands.
The Golden Gate Bridge, as seen from the rocky base of San Francisco’s Alcatraz Island.
San Francisco’s iconic Golden Gate Bridge, as seen from nearby Sea Cliff.