Did you know that the Eiffel Tower in Paris, France, was originally intended to be a temporary structure for the 1889 World's Fair? It stands at 1,063 feet tall and was designed by Gustave Eiffel. The Taj Mahal in Agra, India, is another iconic architectural wonder. It was built by Emperor Shah Jahan in memory of his wife Mumtaz Mahal and is considered one of the most beautiful buildings in the world. The Great Pyramid of Giza in Egypt is the oldest of the Seven Wonders of the Ancient World and the only one that still exists today. It was built as a tomb for the Pharaoh Khufu over 4,500 years ago. Another famous landmark is the Sydney Opera House in Australia, known for its unique shell-like design. It was designed by Danish architect Jørn Utzon and opened in 1973. The Burj Khalifa in Dubai, United Arab Emirates, is currently the tallest building in the world, standing at 2,716.5 feet tall. It was designed by Adrian Smith and completed in 2010. These architectural marvels serve as testaments to human creativity and engineering skill, captivating visitors from around the world with their beauty and grandeur.