Rocks

Constructed thousands of years ago, these stone circles offer incredible insight into the lives of the people who built them.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

Formerly secret, precariously perched boulders.

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

These naturally balancing rocks were pictured on every Zimbabwean banknote, up to the 100 trillion-dollar note.

No one seems to know who suffered the disappointment at this particular place.

Every part of this unusual home is built into the sandstone rock.

The view from this giant Stone Age toad is unexpectedly beautiful.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

Certain traditions prevail on the least-visited island of the Aran Islands.

Just another ancient, mysterious Irish stone circle.

The summer tourists on these cliffs are thousands of seabirds.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

One of the largest megalithic complexes in England, which local legend holds is a wedding party turned to stone by the Devil.

Stone carvings record the Norse myth of Sigurd, providing a glimpse into Scandinavia's transition from paganism to Christianity.