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

Frank Lloyd Wright's Fallingwater was built directly over a waterfall in Pennsylvania — and required structural reinforcement decades later.

Tsunamis travel at the speed of a jet plane in the open ocean — up to 800 km/h.

Lightning can strike more than once in the same place.

Some conifer seeds require fire to germinate — heat from wildfires melts the resin sealing their cones.

Fireflies can synchronize their flashing across entire forests — a phenomenon studied by chaos mathematicians.

The world's deepest cave, Veryovkina in Georgia, descends 2,212 meters below the surface.

Raining fish is a documented phenomenon — tornadoes can lift fish from water bodies and deposit them miles away.

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