Palak
This Atlantic Ocean area is linked to mysterious disappearances of ships and aircraft, with theories including rogue waves, sudden weather changes, and methane gas bubbles affecting buoyancy.
At over six miles deep, the Mariana Trench is difficult to explore, leaving the potential creatures inhabiting it a mystery.
Mass extinction events, like the dinosaur extinction, are not fully understood, with theories ranging from asteroid impacts to volcanic eruptions.
These large geoglyphs in Peru depict various shapes, with their purpose and creators still debated, suggesting astronomical or religious significance.
This 15th-century manuscript, written in an unknown script, baffles codebreakers. Its illustrations hint at botanical or medical knowledge, but its meaning and origin remain unclear.
The Earth's core is difficult to study due to extreme pressure and temperature, making its exact composition and state of matter a mystery.
The purpose and transportation methods of the massive stone statues on Easter Island by the Rapa Nui people remain unknown.