3. Royal Gorge Bridge, Colorado
One of the most spectacular views in the world can be seen at Royal Gorge. It is the tallest and most famous suspension bridge in the United States, located 1,000 feet above the Arkansas River.
4. Bridge over the rainforest of Montenegro, Costa Rica
There are 6-foot bridges in the Monteverde rainforest, making it a paradise for climbers. However, keep an eye out for jaguars and snakes.