Zoom WAY in on this 717 gigapixel scan of Rembrandt's The Night Watch

Rembrandt's 1642 painting The Night Watch, which measures 11.91 ft × 14.34 ft, was expertly scanned at ultra-high resolution (5 microns). It's like exploring the surface of a small planet.

See also, a hyper-close look at Bosch's The Garden of Earthly Delights.