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Detailed explanation-1: -Scientists have discovered the world’s oldest forest in an abandoned quarry near Cairo, New York. The 385-million-year-old rocks contain the fossilized woody roots of dozens of ancient trees. The find marks a turning point in Earth’s history.

Detailed explanation-2: -The Gilboa site was first dubbed the “world’s oldest forest” in the 1920s, courtesy of the New York State Museum’s Winifred Goldring. The ancient forest in Cairo is slightly older than the one in Gilboa, at 387 million years, Stein said.

Detailed explanation-3: -The oldest known fossils, in fact, are cyanobacteria from Archaean rocks of western Australia, dated 3.5 billion years old.

Detailed explanation-4: -Tongass National Forest, Alaska Tongass National Forest is home to some of the oldest trees on earth - many of them dating back more than 800 years.