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

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

A collection of objects supposedly singed by the hands of souls in purgatory.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.