What landmarks can be seen from space?

* The Great Wall of China is one of the most iconic landmarks on Earth, and it can be seen from space with the naked eye. The wall stretches for over 6,000 kilometers, and it is estimated that it took over 2,000 years to build.

* The Great Barrier Reef is another natural wonder that can be seen from space. The reef is located off the coast of Australia, and it is the largest coral reef system in the world. The reef is home to over 1,500 species of fish, and it is a popular tourist destination.

* Mount Everest is the highest mountain in the world, and it can also be seen from space. The mountain is located in the Himalayas, and it is over 8,800 meters tall. Mount Everest is a popular destination for mountaineers, and it is also a sacred mountain to many people in the region.

* The Panama Canal is an artificial waterway that connects the Atlantic Ocean and the Pacific Ocean. The canal is located in Panama, and it is one of the most important shipping routes in the world. The Panama Canal is over 80 kilometers long, and it took over 10 years to build.

* The Pyramids of Giza are some of the oldest and most iconic structures on Earth. The pyramids are located in Egypt, and they were built over 4,500 years ago. The pyramids are tombs for the Egyptian pharaohs, and they are also a UNESCO World Heritage Site.