The Eiffel Tower is a wrought iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Gustave Eiffel, whose company designed and built the tower.

Machu Picchu is an ancient city located in the Andes Mountains in Peru. It was built by the Inca Empire in the 15th century and is considered one of the most iconic landmarks in the world.

The Statue of Liberty is a copper statue, a gift from the people of France, was designed by French sculptor Frédéric Auguste Bartholdi and its metal framework was built by Gustave Eiffel.

Stonehenge is a prehistoric stone circle located in Wiltshire, England. It is one of the most famous landmarks in the world and is believed to have been built between 3000 and 2000 BC.

The Sydney Opera House is a multi-venue performing arts centre in Sydney, Australia. It is one of the 20th century's most famous and distinctive buildings.

Petra is an ancient city located in Jordan. It was the capital of the Nabataean Kingdom from the 1st century BC to the 4th century AD.

Big Ben is the nickname for the Great Bell of the clock at the north end of the Palace of Westminster in London, and is generally extended to refer to both the clock and the clock tower.

The Colosseum, also known as the Flavian Amphitheatre, is an oval amphitheatre in the centre of the city of Rome, Italy. Built of concrete and stone, it is the largest amphitheatre ever built.

The Taj Mahal is an ivory-white marble mausoleum on the south bank of the Yamuna river in the Indian city of Agra. It was commissioned in 1631 by the Mughal emperor Shah Jahan in memory of his wife Mumtaz Mahal.

The Great Wall of China is a large fortification in China. It was built, rebuilt, and maintained over 2,000 years by many successive dynasties.

Prague Castle is a castle complex in Prague, Czech Republic, built in the 9th century. It is the official office of the President of the Czech Republic.

Chichen Itza is a large pre-Columbian city built by the Maya people of the Terminal Classic period. The site exhibits a multitude of architectural styles, reminiscent of styles seen in central Mexico, northern Yucatán, and the Petén Basin.

The Palace of Versailles is a former royal residence built by King Louis XIV of France in Versailles, France. It is now a museum and a UNESCO World Heritage Site.

The Pyramids of Giza are a complex of ancient monuments located in Giza, Egypt. They include the Great Pyramid of Giza, the Pyramid of Khafre, and the Pyramid of Menkaure, along with their associated pyramid complexes and the Great Sphinx of Giza.

Windsor Castle is a royal residence at Windsor in the English county of Berkshire. It is notable for its long association with the English and later British royal family and for its architecture.