Gas bubbles found in Lake Abraham in Alberta, Canada are made when dead leaves, grass, and animals drop into the water, sink, and are eaten by microbes that excrete methane. The gas is discharged as bubbles that change into tens of thousands of frigid white disks when they come into contact with frozen water.
Sailing Stones
Found in a California's Death Valley National Park, the heavy stones appear up to move over the dried lake bed, leaving a trail behind them inside the broken mud. The rocks' movement has been lead to numerous hypotheses, which were refuted by researchers. However, under certain winter conditions in Death Valley, sufficient water and ice seem shape to drift the rocks over the sloppy foot of Racetrack Playa in a light breeze, leaving a path within the mud as the rocks move.
Fairy Circles
In southern Africa’s Namib Desert, the sprawling meadows are filled with a set of spots. Areas of fairy circles, desolate circles edged with patches of vegetation and extending from 10 to 65 feet in diameter, extend for hundreds of miles. Nobody knows what causes these circles to appear and many theories as to why this phenomenon occurs have emerged.
Pororoca
Every so often with the full moon in February and March, where the Amazon River meets the Atlantic Ocean, you'll discover waves up to 13 feet tall. A really uncommon day for surfers, who can not wait to jump in the river, but dreaded by the locals for the unsafe constrain of the waves.
Sort sol
Amid the months of March and April, in the southwestern marshlands of Denmark, you'll be able to experience the sort sol, which means black sun. Sort sol is the occasion when up to one million birds run to the skies amid dusk and the sun is actually blocked by the winged creatures, thus the title black sun.
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