Did you know that the Eiffel Tower in Paris, France was originally built as a temporary exhibit for the 1889 World's Fair? It was designed by Gustave Eiffel and was initially criticized by some artists and intellectuals. Today, it is one of the most iconic structures in the world. Another famous architectural landmark is the Taj Mahal in Agra, India. This white marble mausoleum was commissioned in 1632 by Emperor Shah Jahan in memory of his wife. It took over 20 years to complete and is recognized as a symbol of eternal love. In the United States, the Golden Gate Bridge in San Francisco, California is a prominent feat of engineering. Completed in 1937, it spans the Golden Gate Strait and was once the longest suspension bridge in the world. Its distinctive red-orange color has made it an enduring symbol of the city. Moving to Asia, the Petronas Towers in Kuala Lumpur, Malaysia were the tallest buildings in the world from 1998 to 2004. Designed by Argentine architect Cesar Pelli, these twin towers are connected by a sky bridge on the 41st and 42nd floors, offering panoramic views of the city. These are just a few examples of famous architectural landmarks around the world that showcase the creativity and innovation of architects and civil engineers throughout history.