Interior of Tomb of Khai Dinh, UNESCO World Heritage Site, Hue, Thua Thien-Hue, Vietnam, Indochina, Southeast Asia, Asia

Ornate bronze doorway, Royal Palace, Fez el-Jedid, Fez, Morocco, North Africa, Africa

Ornate bronze doorway, Royal Palace, Fez el-Jedid, Fez, Morocco, North Africa, Africa

Detail of bronze door, Royal Palace, Fez el-Jedid, Fez, Morocco, North Africa, Africa

Ornate bronze doorway, Royal Palace, Fez el-Jedid, Fez, Morocco, North Africa, Africa

Bronze door of the Cathedral of St. Nicholas, Ljubljana, Slovenia, Europe

Ornate bronze doorway, Royal Palace, Fez el-Jedid, Fez, Morocco, North Africa, Africa

Dunbeg Fort, possibly Bronze Age, Dingle Peninsula, County Kerry, Munster, Republic of Ireland, Europe

Ornate bronze doorway, Royal Palace, Fez el-Jedid, Fez, Morocco, North Africa, Africa

Dunbeg Fort, possibly Bronze Age, Dingle Peninsula, County Kerry, Munster, Republic of Ireland, Europe

Detail of bronze doorway, Fez el-Jedid, Royal Palace, Fez, Morocco, North Africa, Africa

Bronze doors in the courtyard of Friday Mosque or Masjet-eJam, built in the year 1200 by the Ghorid Sultan Ghiyasyddin on the site of an earlier 10th century mosque, Herat, Herat Province, Afghanistan, Asia

Bronze doors in the courtyard of the Friday Mosque or Masjet-eJam, built in the year 1200 by the Ghorid Sultan Ghiyasyddin on the site of an earlier 10th century mosque, Herat, Herat Province, Afghanistan, Asia

Todos Santos, Baja California Sur, Mexico. Bronze door handle in the shape of a lizard.

Florence Baptistery, bronze East doors, Gates of Paradise, by Lorenzo Ghiberti, Piazza Del Duomo, Florence, Italy