3. Royal Gorge Bridge, Colorado
Suspended 1,000 feet above the roaring Arkansas River, the Royal Gorge Bridge is the highest suspension bridge in the U.S. and a legendary Colorado landmark. Walking or driving across feels like floating on air, with the deep canyon yawning below and majestic views unfolding in every direction. It has long drawn daredevils and photographers alike, offering a vantage point that is both staggeringly beautiful and humbling.