America is filled with many wonders. From the exquisite Grand Canyon to the never-ending stretches of crystal clear beaches.

While beautiful from afar ... At 890 feet over the Colorado River, it is the world’s highest concrete arch bridge and America’s second-highest, also known as the Hoover Dam Bypass Bridge.

A medieval stone arch bridge built under the auspices ... Venice is home to many spectacular bridges – elaborate, historic and beautiful – but none is quite like the tiny, inconspicuous ...

Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch ...

Lovingly called the "Coat Hanger" by locals, this towering structure is the world's largest steel arch bridge. And while you can capture stunning pictures of the bridge from one of Sydney Harbour ...