* The Pyramids of Giza. These three pyramids were built over 4,500 years ago and are some of the most impressive structures ever created. They were built by the ancient Egyptians using only simple tools and materials, and they have stood the test of time.
* The Taj Mahal. This beautiful mausoleum was built by Mughal emperor Shah Jahan in memory of his third wife, Mumtaz Mahal. It is considered to be one of the most beautiful buildings in the world and is a UNESCO World Heritage Site.
* The Colosseum. This ancient Roman amphitheater was completed in 80 AD and could seat over 50,000 spectators. It was used for gladiatorial contests, public executions, and other spectacles.
* The Statue of Liberty. This iconic statue was a gift from the people of France to the people of the United States. It is a symbol of freedom and democracy, and it has welcomed millions of immigrants to America.
* The Golden Gate Bridge. This suspension bridge spans the Golden Gate Strait in San Francisco, California. It is one of the most recognizable bridges in the world and is a symbol of the Golden State.
* The Panama Canal. This canal connects the Atlantic Ocean and the Pacific Ocean and is one of the most important shipping routes in the world. It was built by the United States in the early 20th century and has had a profound impact on world trade.
* The Space Shuttle. This reusable spacecraft was developed by NASA and was used to launch astronauts into space. It made 135 missions and helped to build the International Space Station.
* The Large Hadron Collider. This particle accelerator is the largest and most powerful in the world. It is located at CERN in Switzerland and is used to study the fundamental particles of nature.
* The Internet. This global network of computers has revolutionized the way we communicate, learn, and do business. It has also created new industries and opportunities.