Quarries

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

An abandoned quarrying village turned commune is now a hub for learning the Welsh language.

There's a strange stone hoodoo towering atop a wooded hillside and no one is quite sure how it got there.

An archaeological treasure trove towers over the valley of Chiavenna.

Two distinctive homes on a New England village green look like a couple of frosted wedding cakes.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

The platform atop this verdant volcano was built with the help of a royal elephant.

Remnants of a quarry company town still stand on the banks of the Wapsipinicon River.

The slate extracted from these Pennsylvania quarries was once hailed as the finest in the world.

One man's swirling six-acre monument of stone.

Reforestation in action is the main attraction in this abandoned quarry.

This former quarry is now a picturesque gorge that hides a sunken lake.

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

This sawtooth mountain range still bears the strangely lovely marks of its history as a medieval quarry.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.