The Garden of Earthly Delights Triptych, interior, center panel, lower portion, Cavalcade and Pool of Prostitutes: Calvacade at lower left

Hieronymus Bosch; grisaille, oil on wood

The Garden of Earthly Delights Triptych, interior, center panel, lower portion, Birds and Couples: detail

Hieronymus Bosch; grisaille, oil on wood

The Garden of Earthly Delights Triptych, interior, left panel, Garden of Eden: Fountain of Life

Hieronymus Bosch; grisaille, oil on wood

The Garden of Earthly Delights Triptych, interior, right panel, Hell, upper portion: area with eggman

Hieronymus Bosch; grisaille, oil on wood

The Garden of Earthly Delights Triptych, interior, right panel, Hell, lower portion, Musicians and Satan: detail

Hieronymus Bosch; grisaille, oil on wood

The Garden of Earthly Delights Triptych, interior, right panel, Hell, lower portion: Satan

Hieronymus Bosch; grisaille, oil on wood

The Healing of the Blind Man and the Raising of Lazarus

Berlanga de duero, Spain; 5 ft. 5 in.x 11 ft. 2 1/64 in.; fresco transferred to canvas

The Temptation of Christ by the Devil

Berlanga de duero, Spain; 5 ft. 9 31/64 in.x 9 ft. 9 63/64 in.; fresco transferred to canvas

The Elephant Clock", from a Book of the Knowledge of Ingenious Mechanical Devices by al-Jazar

11 13/16 in.x 7 3/4 in.; ink, opaque watercolor, and gold on paper

Jar with "Saz" spray of composite flowers and feathery leaves

Pottery, Turkey, Ottoman; 1 11/16 in. x 10 55/64 in.; polychrome glazed pottery

Temple of Minevra Sulis, brick channel for the overflow from the sacred spring

Bath, England

The Garden of Earthly Delights Triptych, interior

Hieronymus Bosch; 6 ft. 8 15/16 in.x 12 ft. 7 31/32 in. (with frame); grisaille and oil on oak panel

The Garden of Earthly Delights Triptych, interior, center panel, detail of upper portion

Hieronymus Bosch; grisaille, oil on wood

The Garden of Earthly Delights Triptych, interior, center panel, pink tower, army of knight mermen, and nude riders

Hieronymus Bosch; grisaille, oil on wood

The Garden of Earthly Delights Triptych, interior, center panel, upper right: towers and flower shells

Hieronymus Bosch; grisaille, oil on wood