Unique landmarks are distinctive structures or natural formations that hold cultural, historical, or architectural significance. Examples include the Eiffel Tower in Paris, known for its iron lattice design, and the Great Wall of China, a massive fortification that stretches over 13,000 miles. These sites attract millions of visitors each year, showcasing the creativity and ingenuity of human civilization. Natural landmarks, such as Grand Canyon in the United States and Mount Everest in the Himalayas, are also remarkable. They offer breathtaking views and unique geological features, drawing adventurers and nature lovers alike. These landmarks highlight the beauty and diversity of our planet.