National Natural Landmarks
Petrified Gardens includes one of the best exposures of fossil reefs made up of calcareous algae, known as cryptozoon. These types of algae represent a milestone in the evolution of plant life.
Location: Saratoga County, NY
Year designated: 1967
Please remember, National Natural Landmarks (NNLs) are not national parks. NNLs are owned by a variety of public and private entities and allowing visitation is at their discretion. Many NNL sites maintain public websites where additional information may be found.