Petrified wood is a beautiful and unique type of fossilized wood that has gone through the process of petrification. The word petrified means to have transformed into stone, and that's exactly what happens over time to the wood as it's buried beneath the Earth's surface. The process replaces the organic material in the wood with minerals, resulting in a hard, stone-like material that often retains the original structure and patterns of the wood. Other synonyms for petrified wood include fossilized wood, silicified wood, agatized wood, and mineralized wood. Regardless of the term used, petrified wood is a fascinating and beautiful natural wonder that has captivated people for centuries.