Daintree Rainforest, Australia: Estimated to be over 180 million years old.
Taman Negara, Malaysia: Over 130 million years old, it's one of the world's oldest tropical rainforests.
Borneo Rainforest, MalaysiaIndonesia: Around 140 million years old, rich in biodiversity.
Amazon Rainforest, South America: Approximately 55 million years old, the largest tropical rainforest.
Congo Rainforest, Africa: Estimated to be 70 million years old, the second largest rainforest.
Sinharaja Forest Reserve, Sri Lanka: Over 60 million years old, a UNESCO World Heritage Site.
Tongass National Forest, USA: About 70 million years old, the largest temperate rainforest.
Valdivian Temperate Rainforest, Chile: Estimated to be over 50 million years old.
Austrian Rainforest, New Guinea: Around 70 million years old, known for its unique flora and fauna.