What Was The Tallest Roman Obelisk Ever Built?
An obelisk is a four-sided pillar with a pointed top. Many Obelisks were erected as monuments in ancient Egypt. The Washington Monument in Washington, D.C., is an example of a modern obelisk. Many obelisks once stood outside temples in Egypt, especially in the sacred city of Heliopolis. One obelisk in that city, 68 feet tall, st