Did you know that the Taj Mahal in India is not only a masterpiece of Mughal architecture but also a UNESCO World Heritage Site? Built in the 17th century by Emperor Shah Jahan in memory of his wife, it is known for its intricate white marble design and stunning symmetrical layout. Another iconic landmark is the Sydney Opera House in Australia, designed by Danish architect Jørn Utzon. Its unique sail-like structure makes it one of the most recognizable buildings in the world and a popular performance venue. The Eiffel Tower in Paris, France, is another architectural wonder that was originally built as the entrance arch for the 1889 World's Fair. Designed by Gustave Eiffel, it was criticized at first but has since become synonymous with the city of Paris. Moving to the United States, the Golden Gate Bridge in San Francisco is a marvel of civil engineering. Completed in 1937, its iconic international orange color and art deco design make it a must-see landmark for visitors. These famous architectural landmarks showcase the creativity and ingenuity of designers and engineers from around the world, leaving a lasting impact on the cities and cultures in which they are located.