26Bonsai Orange Tree
You can grow a Bonsai Orange Tree that will actually fruit miniature oranges.
27. An ancient sequoia tree that has been alive for most of humanity's modern history was cut down in 1891 so that slabs of its trunk could be displayed in museums.
28. The Baobab tree is hollow and provides a life for animals and humans in parched lands.
29. There is a 30-foot tree trunk known as the "Old Man of the Lake" that has been floating vertically in Oregon's Crater Lake for nearly 120 years. In 1938, they tracked the tree trunk's movement and discovered that it had traveled a total distance of over 60 miles in just under 3 months.
30. After the holidays, the Rockefeller Christmas Tree is milled into lumber and donated to Habitat For Humanity to be used for building homes.
Paulownia is also known as the "princess tree" because it was once customary to plant a Paulownia tree when a baby girl was born, and then to make it into a dresser as a wedding present when she married.
32. The biggest cashew tree in the world covers an area of about 80,000 square feet and produces over 60,000 fruits each year. The tree gets its size from two genetic issues, which allow branches to grow outwards instead of upwards, taking new roots when touching the ground.
33. One of the most dangerous trees in the world is the manchineel tree found in Florida and the Caribbean. Its sap is so poisonous and acidic that merest contact with human skin causes a breakout of blisters, and blindness can occur if it touches a person's eyes.
34. One olive tree can produce around four liters of oil every year for hundreds of years.
35. The ant tree is also known as a “novice tree” because only someone unfamiliar with the tree would dare touch it and will soon discover that the ants that live inside it are aggressive and venomous.
The Sandbox Tree, also known as the Dynamite Tree, is covered in spikes, full of poison, and grows exploding fruits.
37. Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using “leaves” that are 1,000 times more efficient than true leaves that use photosynthesis.