Geological Oddities

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.

This fascinating and unusual geological formation dominates a suburb of Canberra.

Local legend says a monk brought Christianity to Bornholm through his sermons in a cave inside this free-standing rock.

This balancing rock is one of Utah's most unusual geological formations.

This gravity-defying rock formation is one of Big Bend’s natural wonders.

A peninsula on a peninsula that becomes an island at high tide.

A small mountain made entirely of banded iron stone overlooking downtown Ishpeming.