A monument to the art of slicing people open.

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

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

Where commuters walk through remnants of an ancient Greek necropolis.

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

Large collection from the 3rd millennium BCE.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.