Nature astonished people from ancient times. And even now, in the age of advanced technologies, it keeps striking us with its unpredictability and greatness. Some phenomena are still so rare, that you’ve probably haven’t heard of them!

Fallstreak hole

Photo: By Jtrombone, from Wikimedia Commons (CC BY-SA 4.0)

This unusual phenomenon occurs if the water temperature in the clouds is below the freezing point. Water droplets cause evaporation of the emerging ice crystals and create this impressive effect.

Penitentes ice formations

Photo: By ESO (ESO), via Wikimedia Commons (CC BY 4.0)

These unusual snow formations can reach up to 6 meters high! They can be found mainly in tropical or sub-tropical mountains.

Salar de Uyuni in Bolivia

Photo: By The original uploader was Chechevere at English Wikipedia., via Wikimedia Commons (CC BY 3.0)

A huge desert of Bolivian salt. During the rainy season, a thin layer of water is being formed over it, which creates an unusual mirror effect.

Circumhorizontal arc

Photo: By ProfessorX, from Wikimedia Commons (CC BY-SA 4.0)

This optical effect is similar to an ordinary rainbow. But in this case, the refraction of light occurs not in the drops of water, but in the ice crystals.

Fairy circles in Namibia

Photo: By Stephan Getzin (via Beavis729), from Wikimedia Commons (CC-BY-SA-3.0)

Mysterious circular rings with absolutely no vegetation inside. This phenomenon is still surrounded by mystery…

Lake Baikal

Photo: Natalia_Kollegova/pixabay (CC0 Creative Commons)

This lake in Siberia is the deepest in the world! You can admire these ice formations that take on the special turquoise color with an extraordinary effect.

Frozen methane bubbles

When the methane gas escapes into frozen water, these spectacular optical illusions are formed at different depths!

Desert rose (crystal)

Photo: alusruvi/pixabay (CC0 Creative Commons)

These crystals are the result of the sedimentation of several layers of sand and water. Finally the rock looks like a precious rose.

Chamarel Seven Coloured Earths in Mauritius

Photo: maxpixel (CC0 Public Domain)

Erosion of the basaltic soil and the combination of minerals and rain create these very particular colors of the dunes. The clay decomposes due to the hot climate and causes these 7 different shades.

Lake Syvash

Photo: By Angu, from Wikimedia Commons (CC BY-SA 3.0)

This set of marshes and shallow lagoons with a strong salt concentration warms up during the summer and evaporates, creating this phenomenon also known as Rotten Sea.

Based on: curioctopus.guru