Geological Oddities

These four small islands contain unique hexagonal rock formations.

A stark contrast between red sand dunes and the white sand beach immediately next to it can be seen along the southern Somali coast.

This small canyon is home to a treasure trove of geological oddities.

Dive into an undersea optical illusion off the coast of Mauritius.

This often-overlooked canyon dazzles and intrigues with its many layers of colors, shapes and odd formations.

Visit Europe's largest subterranean waterfall, carved by water from the glaciers of the towering peaks surrounding the valley.

This volcanic crater lake is renowned for its perfectly round shape, stunning blue-green waters, and unique geological properties.

How did this desert wind up in the middle of a Polish forest?

Millions of years of erosion created the feature for which this rock formation is aptly named.

These spindly, stone-capped formations are the product of glacial deposits and thousands of years of erosion.

The rocks exposed at Valley of Fire State Park also occur in a much less known but equally spectacular area a few miles to the southwest.

A family-owned store specializing in minerals, geodes, gemstones, and more.

Rocky outcrops containing overhangs, caves, fissures, clefts, and alcoves that invite exploration and scrambling.

A multicolored mineral mound dribbles piping hot spring water right off the side of a highway.

A small cave network was discovered under a home in Xagħra, in 1924 when the owner was digging a well.

In 1888, a resident of Xagħra, Malta, discovered a small underground chamber filled with stalactites and stalagmites when digging a well.