1. What is an Obelisk: An obelisk is a tall, four-sided stone monument that tapers upward and ends in a pointy, pyramid-shaped top: it looks like a giant stone needle pointing toward the sky.

2. Ancient Egyptian Roots: Obelisks were first invented and built by the ancient Egyptians thousands of years ago, where they were usually set up in pairs outside of grand temples to honor their gods and pharaohs: they are ancient Egyptian skyscrapers.

3. Carved from a Single Stone: Almost every classic ancient obelisk was carved out of one single, massive piece of solid rock, usually heavy red granite from distant quarries: they are massive stone monoliths.

4. Giant Puzzle Pieces: Moving these colossal monuments was an incredible engineering feat because the heaviest ancient obelisks weighed hundreds of tons, requiring huge teams of workers, wooden rollers, and boats to transport them: they were heavy-duty engineering marvels.

5. Shiny Caps: Ancient Egyptians often capped the very tip of their obelisks with a layer of electrum, which is a shiny mixture of gold and silver that flashed brilliantly when the morning sun hit it: they glowed in the sunlight.

6. Telling Stories in Stone: The sides of ancient obelisks are usually covered from top to bottom with carved hieroglyphics that tell stories of royal victories, religious beliefs, and great pharaohs: they are giant stone history books.

7. World Travelers: Today, many ancient Egyptian obelisks have traveled far away from home and now stand proudly in famous public squares in cities like Rome, Paris, London, and New York: they are globetrotting monuments.