10 Unique Earth Objects You Won't Believe Exist

The natural glass known as tektites is created when meteorites strike Earth and release pieces of land.

Tektite

Crystal-lined hollow rocks formed by volcanic or sedimentation over millions of years.  

Geodes

created by millions of years of mineral buildup around a core.  

Moeraki Boulders 

Fossilized trees that mineralized into stone.

Petrified Wood 

Crystal formations of gypsum or barite, shaped like rose petals, found in desert regions. 

Desert Roses 

Glass-like tubes formed when lightning strikes sandy soil, melting and fusing the particles. 

Fulgurites 

Small, spherical hematite deposits seen in deserts that resemble Martian geology.  

Hematite "Mars Balls"