This is an area of about 40,000 interlocking basalt columns, the result of an ancient volcanic eruption.
Sailing stones in Death Valley, USA
This is a geological phenomenon where rocks move and inscribe long tracks along a smooth valley floor without human or animal intervention.
Tidal bores on the Amazon in Brazil and the Severn in England
This tidal phenomenon occurs when the leading edge of the incoming tide forms a wave of water that travels up a river against the flow.
The Flowering Desert