A haunting collection of the vanished and disappearing natural world.

Haunting graffiti left by prisoners of the Spanish Inquisition.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

The charred, dead skeleton of an oak tree is said to have consoled a dying 16th-century Italian poet.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.