The Dragon Blood Tree of Socotra Island produces red sap and looks like it belongs on an alien planet.

Lightning can heat air hotter than the surface of the Sun.

The rafflesia flower is the world's largest bloom — up to 1 meter across and smelling of rotting flesh.

A circumzenithal arc is a rainbow-colored arc near the zenith (directly overhead) — it's the 'smile in the sky.'

In 1814, a beer flood in London released thousands of gallons into nearby streets.

Lightning strikes Earth about 100 times every second.

The world's largest musical instrument is the Stalacpipe Organ in Luray Caverns, Virginia — it uses stalactites as keys.

The lotus plant is known for self-cleaning leaves — water rolls off in droplets, taking dirt with it (the lotus effect).

Some trees can communicate with each other using underground fungal networks.