It is a multi-span cable-stayed bridge completed in 2004 across the gorge valley of the Tarn near Millau in Southern France.
It is an archipelago of artificial islands - Palm Jumeirah, Palm Jebel Ali and Palm Deira - on the Persian Gulf in Jumeirah, Dubai.
It is considered to be one of the world’s largest engineering marvels. It is the largest steel structure in the world.
It is a suspension bridge spanning the Golden Gate, the one-mile-wide strait connecting San Francisco Bay and the Pacific Ocean.
It is the highest outdoor elevator in the world. It is a glass double-deck elevator built onto the side of a huge cliff in the Wulingyuan in China.
It is the world’s tallest building and also holds two impressive records: the tallest structure and the tallest free-standing structure.
Also known as the Chunnel, it is a 32-mile underwater rail tunnel that links Folkstone, England and Coquelles, France beneath the English Channel. It was completed in 1994.
It's the world's highest railway bridge. It is located 359 m above the Chenab riverbed and is 30 m higher than the Eiffel Tower in Paris.