The Lion Gate was the main entrance of the Bronze Age citadel of Mycenae, southern Greece. It was erected during the 13th century BC, around 1.250 BC in the northwest side of the acropolis. Photographer: WitR / Stock Photo.

Nephrite jade carving of a snail, by Carl Fabergé, late 19th to early 20th century. Collection: © Victoria and Albert Museum, London, UK.

Amulet in the form of a couchant lion. Date: ca. 2900–2700 B.C. Period: Early Dynastic I. Date: ca. 2900–2700 B.C. Geography: Southern Mesopotamia. Medium: Shell. Collection: The Met.

Initiation Wells, Quinta da Regaleira, Sintra, Portugal. Photographer: heyengel_140 / Stock Photo.

Roman snake armlet. Diameter: 10 cm. weight: 295 g. Place of origin: Egypt. Roman Period, 1st century AD. Private Collection.

Mosaic floor in Pompeii depicting birds stealing(?) pearls from a jewelry box. Photographer: stocktributor/Adobe Stock.

Eagle with Serpent - Byzantine mosaic in the Great Palace of Constantinople, dating to the reign of Byzantine emperor Justinian I, 6th century A.D. Photographer: Zzvet_135 on Adobe Stock.

Fragmentary stained glass devil, made in France, 1200-15. The devil is from the destroyed ambulatory windows of the Cathedral of Saint-Etienne in Bourges, and was probably part of a Last Judgment scene. Collection: The Met.

The Temple of Aesculapius, Greek god of Healing.

Bronze Head of the Cat goddess Bastet with amber inlays for eyes. Egypt, 26th dynasty. ~600 BC. Collection: Carlsberg Glyptotek Museum, Copenhagen, Denmark. Photo: Stock Photo / Alamy.

Big-Eared Brown Bat Vessel. c. AD 200–850. Culture & Geography: Central Andes, North Coast, Moche people, Early Intermediate period. Overall: 18.4 x 17.7 x 15.8 cm. Collection: Cleveland Art Museum, US.

Key, made in France, c.1803-13. Originally owned by Joseph-Napoleon Bonaparte, elder brother of Napoleon, it bears his royal monogram. Collection: The Met.

Bracelet. Carved-coral vine-wreathed head of Bacchus with gold mounts and panther-headed terminals, in a labelled case. Made by: Kirkby & Bunn, 1800's.Made in: Naples, Italy. Materials: coral and gold Collection: British Museum, UK.

Bowl with bat, made in Japan, 1870. Collection: MFA, Boston.

🏛 A view of two of the six Caryatids on the Porch of the Caryatids, the Erectheion, Athenian Acropolis. Photo credit: Athenologio.

Scythian Gold Plaque in the Form of a Panther Curved Round. Date: 7-6th BC. Place of origin: South-Western Siberia, area between the Rivers Irtysh and Ob Russia. Collection: Hermitage Museum.