Dive into Earth's layers and uncover their secrets! Explore the fascinating Earth layers: the crust, mantle, outer core, and inner core.

Uncover the differences between rocks, minerals, and gemstones, discover how they are all formed, and explore examples from each category.

The Devil’s Marbles (Karlu Karlu conservation reserve) is an area in Northern Territory, Australia, sprinkled with large reddish boulders.