Great Wall of China: The Great Wall is not a single continuous wall but a series of walls and fortifications built by various Chinese dynasties over centuries. Its total length is estimated to be over 13,000 miles.
Eiffel Tower, France: When it was completed in 1889, the Eiffel Tower was the tallest man-made structure in the world until the completion of the Chrysler Building in New York in 1930.
Machu Picchu, Peru: This ancient Incan city was unknown to the outside world until American historian Hiram Bingham brought it to international attention in 1911. It’s often called the "Lost City of the Incas."
Pyramids of Giza, Egypt: The Great Pyramid, built for the Pharaoh Khufu, was the tallest man-made structure in the world for over 3,800 years. Its precise alignment with the cardinal points remains a mystery.
Taj Mahal, India: This stunning mausoleum was built by Emperor Shah Jahan in memory of his wife Mumtaz Mahal. It took over 20,000 artisans 22 years to complete the construction.
Statue of Liberty, USA: A gift from France to the United States in 1886, the Statue of Liberty’s full name is "Liberty Enlightening the World." The statue’s torch represents enlightenment and is a symbol of freedom and democracy.
Sydney Opera House, Australia: Its unique design, inspired by shells, was chosen from an international competition.
Colosseum, Italy: The largest amphitheater ever built, the Colosseum could hold between 50,000 and 80,000 spectators. It was used for gladiatorial contests, public spectacles, and other forms of entertainment during the Roman Empire.