Snow rollers are rare cylindrical snowballs formed naturally by wind blowing snow across flat terrain.

Lightning can strike the same place more than once.

Volcanic eruptions can produce lightning within ash clouds.

A single colony of leafcutter ants can strip an entire tree of leaves overnight.

Trees in a drought will 'talk' to each other through chemical signals in the soil, triggering defensive responses in nearby trees.

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

The Catatumbo lightning over a Venezuelan lake averages 28 lightning strikes per minute — nearly year-round.

The Pantanal in South America is the world's largest tropical wetland area, covering up to 195,000 square kilometers.

The strongest hurricane ever recorded in the Atlantic was Hurricane Patricia (2015) with winds of 345 km/h.