Mesopotamia, particularly the Sumerians, developed sophisticated irrigation systems to support their agricultural practices.

The Antikythera Mechanism was an ancient Greek analog computer used to predict astronomical positions and eclipses.

The Great Wall of China was built by various Chinese dynasties over centuries to protect their borders and trade routes.

The Egyptian pyramids were primarily constructed using limestone blocks, which were quarried and transported to the construction sites.

The concept of zero and the decimal system originated in ancient India and was later adopted by other civilizations.

Roman aqueducts were primarily used to transport water from distant sources to cities and towns for public use.

The Egyptians were among the first civilizations to utilize the lever and the pulley for various construction and lifting purposes.

The Parthenon was primarily constructed using Pentelic marble, which was quarried from nearby Mount Pentelikon.

The astrolabe was developed by the ancient Greeks as a tool for astronomical observations and navigation.

The Colossus of Rhodes was a large statue dedicated to the Greek sun god Helios and was considered a religious monument.

The compass was first developed in ancient China during the Han dynasty and was initially used for geomancy and divination.

The Great Zimbabwe ruins were primarily constructed using granite blocks, which were quarried and shaped by the local Bantu-speaking people.

The concept of the printing press was first developed in ancient China during the Song dynasty, using movable type.

The Nazca Lines are a series of large geoglyphs created by the Nazca people in Peru, believed to have been used for religious rituals and ceremonies.

The waterwheel was first developed by the ancient Greeks and was used for various purposes, including irrigation and milling.