A partial collection of 3D scans I have either produced myself, or played some part in publishing. For examples of how people have put them to use, see this Pinterest board.

NEFERTITI

VENUS DE MILO

WINGED VICTORY, THE NIKE OF SAMOTHRACE

THE WALKING MAN, AUGUSTE RODIN

THE DANCING FAUN OF POMPEII

THE MEDUSA RONDANINI

THE GETTY KOUROS

THE GETTY CALIGULA

THE PIETÀ, DETAIL OF MARY

ECSTASY, ERIC GILL

HYPNOS, GOD OF SLEEP

ALEXANDER AS THE SUN GOD HELIOS

EMPEROR AUGUSTUS

ATHENA OF VELLETRI

ARES, GOD OF WAR

ACROPOLIS KORE 678

ATHENIAN HERO

PORTRAIT OF HOMER

RAMESSES II / OZYMANDIAS

PARANTHROPUS BOISEI, KNMER406