The history of mosaics
Byzantine Mosaics, a photo album.
Wikipedia entry on Byzantine mosaics.
The Joy of Shards
Mosaic gardens, Mosaic sculpture, London mosaics, La Maison Picassiette, Chartres, France, Niki de Saint Phalle’s Tarot Garden, and others.
Nile mosaic of Palestrina
The Nile mosaic of Palestrina is a late Hellenistic floor mosaic depicting the Nile in its passage from Ethiopia to the Mediterranean.
Roman mosaics in Sicily
Roman mosaics, a gallery.
Villa Romana del Casale, Sicily,
the richest,largest and most complex collection of late Roman mosaics in the world.