From their expansive networks of roots to their vibrant displays of leaves, flowers, and pinecones, trees are some of nature's most extraordinary organisms. As humans, our existence depends on their ability to recycle carbon dioxide, move water, and release oxygen, and their fallen leaves and decayed roots are vital to the health of the soil. In short, we couldn't exist without them.

Even though every tree is special, some are admittedly more awe-inspiring than others. Here are some of the world's most extraordinary trees (but remember that each tree outside your window is just as worthy of your appreciation).

2. Tetrameles Nudifloras 

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These deciduous trees look like what might happen if God lit a candle and the wax dripped down to Earth. They are common in East Asia, but can also be found in Australia. These rare organisms typically grow in solitude, and they produce seasonal flowers and small fruits seasonally.