The double-headed eagle is a heraldic symbol featuring an eagle with two heads, often depicted facing opposite directions. This emblem is commonly associated with various cultures and nations, including the Byzantine Empire and Russia. It represents unity, power, and the ability to see in multiple directions, symbolizing vigilance and strength. In addition to its historical significance, the double-headed eagle is used in various coats of arms and flags. It can be found in the emblems of several countries, such as Albania and Serbia, and is often linked to the Holy Roman Empire. The symbol has deep roots in mythology and tradition.