Where commuters walk through remnants of an ancient Greek necropolis.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

The hallucinogenic center of the ancient world.

Giant marble phalluses on the sacred island of antiquity.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Large collection from the 3rd millennium BCE.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A monument to a survivor of harsh pioneer life, frostbite, and primitive surgery.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."