A volcano.

You can see the fine detail of.

Overhead view of 80,000 year old mud cracking.

Aconcagua (pronounced Ah-Kon-'Ga-Wah) is the highest mountain in the Americas. Located in the Andes Range in Argentina, it tops out at a staggering 22,831 feet above sea level.

This photo was taken during a student study of the erosion on Dauphin Island.