Tower Bridge stands as London's most iconic river crossing, a masterpiece of Victorian engineering and Gothic revival architecture instantly recognizable worldwide. Completed in 1894 after eight years of construction, this combined bascule and suspension bridge stretches 244 meters across the Thames, connecting the Tower of London with the South Bank. The bridge's distinctive blue-and-white-painted steel framework, topped by two neo-Gothic towers housing the lifting mechanism, creates a harmonious blend of functionality and aesthetic grandeur. Its innovative hydraulic system, originally powered by steam before electric conversion in 1976, still raises the central roadway sections to allow tall vessels passage—an awe-inspiring spectacle occurring approximately 1,000 times annually. Beyond its practical purpose, Tower Bridge embodies London's industrial ingenuity and imperial confidence during the Victorian era. Visitors today can explore the bridge's internal structure through the Tower Bridge Exhibition, which details its construction and mechanical workings while offering access to the spectacular high-level walkways featuring glass floor panels installed in 2014. These walkways, originally designed to allow pedestrian crossing during bridge lifts, now provide breathtaking views of London landmarks including the Tower of London, HMS Belfast, The Shard, and the River Thames. For photographers, Tower Bridge offers London's quintessential vista, particularly captivating when illuminated at night or when framing the sun during dawn and dusk. This engineering marvel represents not merely a transportation link but a symbol of London's identity, connecting the city's historic past with its dynamic present.