Did you know that the world's tallest building, the Burj Khalifa in Dubai, stands at a staggering 2,717 feet tall? It took over 110,000 tons of concrete, 55,000 tons of steel rebar, and 22 million man-hours to construct this architectural marvel. Another incredible feat in civil engineering is the Millau Viaduct in France, which is the tallest bridge in the world with one mast's summit at 1,125 feet. This cable-stayed bridge spans the Tarn River Valley and is considered a masterpiece of design and construction. The Panama Canal is a remarkable example of ingenuity in civil engineering. This man-made waterway connects the Atlantic Ocean to the Pacific Ocean, saving ships from having to navigate around the southern tip of South America. It took over 75,000 workers and a decade to construct this vital trade route. In China, the Danyang-Kunshan Grand Bridge holds the record for the longest bridge in the world. This viaduct stretches an impressive 102.4 miles and is part of the Beijing-Shanghai High-Speed Railway. These architectural achievements showcase the brilliance and innovation of civil engineers who push the boundaries of what is possible in construction and design.