1. Pando Tree
It is believed that this colony of trees which are actually a part of one organism (they all have same underground root system) is about 80.000 years old! Yes, you read it right, this incredibly massive organism is here for 80 mileniums. Pando tree can be found in Utah, United States.
Methuselah tree is 4841 old tree located in White Mountains, California.
Sarv-e-Abarkooh tree is about 4000 years old. It can be found in the nearby of Abarghood in Iran.
4. Llangernyw Tree
Llangernyw Tree can be found in the churchyard in the nearby of Abergele and Llanrwst. It is more than 3000 years old.
5. El Tata Alerce Tree
This is ancient El Tata Alerce Tree which is about 3800 years old and it can be found in the nearby of Puerto Montt in Chile.
6. The Senator Tree
The Senator tree is located in Big Tree Park near Longwood in Florida. It is considered as the largest Bald Cypress tree in US. It is estimated that this tree is more than 3400 years old.
7. Jmon Sugi
J?mon Sugi tree can be found in Yakushima in Japan. Some scientist say that it is about 2000 years old while others are claiming that it is up to 7000 years old.
8. General Sherman
This Gian Sequoia is called General Sherman and it is about 2700 years old.
9. Te Matua Ngahere
Te Matua Ngahere tree is located near Northland Region in New Zealand and it it about 2000 years old.
10. Jardine Juniper
Jardine Juniper tree is about 1500 year old and it can be found in Logan Canyon in Utah.
Kongeegen is big oak tree located in Denmark near the Jægerspris town. Its age is estimated to be up to 2000 years.
12. Old Tjikko
Old Tjikko is 9550 years old tree located on Fulufjallet Mountain in Sweden. It is the oldest single colonal tree in the world.