Ancient Egyptians developed a complex system of writing called hieroglyphics, which used symbols to represent words and ideas.

The Indus Valley Civilization thrived in the region between the Indus and Ganges rivers in present-day Pakistan and India.

The Great Wall of China was predominantly built using stone, with sections also constructed from brick, wood, and other materials.

The Babylonians developed a sexagesimal (base-60) system of mathematics and are credited with the concept of zero.

Machu Picchu, an iconic Inca city, is situated in the Cusco region of modern-day Peru.

The Nazca Lines are believed to have been created by the Nazca people for astronomical purposes, possibly to mark solstices and equinoxes.

The ancient Egyptians built several iconic pyramids, including the Great Pyramid of Giza, as tombs for their pharaohs.

Angkor Wat, a magnificent temple complex, is situated in Siem Reap, Cambodia.

The ancient Mesopotamians constructed extensive canal systems for irrigation and transportation.

Petra, a city carved into sandstone cliffs, is situated in Jordan's southern desert.

The Colosseum was primarily constructed using concrete, a mixture of volcanic ash, lime, and water.

The Maya civilization developed an advanced system of astronomy and created a calendar based on the movement of the stars and planets.

Tikal, a major Mayan city, is situated in the Petén region of modern-day Guatemala.

The Terracotta Army was created to protect the tomb of the first emperor of China, Qin Shi Huang, in the afterlife.

The ancient Mesopotamians developed a writing system known as cuneiform, which included both logographic and phonetic elements.