Rock drawings of Thamudic origin, relating to ancient tribe of Thamud, 3rd century BC to 2nd century AD, in canyon of Jebel Khazali, south of Rum village, Wadi Rum, Jordan

The Citadel with Buddhist Stupa 2nd century AD, Mohenjodaro, Indus Valley Civilization 3rd-2nd centuries BC, Pakistan

Garni Temple, Garni, Yerevan, Armenia, Central Asia, Asia

Garni Temple, Garni, Yerevan, Armenia, Central Asia, Asia

Garni Temple, Garni, Yerevan, Armenia, Central Asia, Asia

Mosaic of the abandoned Ariadne, 2nd to 3rd century AD, Hatay Archaeology Museum, Antioch, Hatay province, Southwest Turkey, Anatolia, Turkey, Asia Minor, Eurasia

Monastery (ad-Deir), 3rd century BC, Petra, Jordan, Middle East"The largest Nabatean facade in Petra, 48m high, 47m wide"

Chapel of St. Eulalia, probably built in the 3rd century AD, near Arboussols, Pyrenees-Orientales, Languedoc-Roussillon, France, Europe

Columned main street, 1st century BC to 3rd century AD, Palmyra, Syria

Jetavaranama dagoba or stupa, 3rd Century AD, UNESCO World Heritage Site, Anuradhapura, Sri Lanka

Forum at sunrise, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

Church of Santi Luca e Martina and Septimius Severus Arch (Arco di Settimio Severo), Forum, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

Church of Santi Luca e Martina and Septimius Severus Arch (Arco di Settimio Severo), Forum, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

Aurelian Walls (Mura Aureliane), UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

Column of Phocas, Arch of Septimius Severus, Roman Forum, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe

The Roman Baths of Diocletian dating from the 3rd century AD, and the columned main street dating from the 1st century AD, at the ancient Graeco-Roman city of Palmyra, UNESCO World Heritage Site, Syria, Middle East

The Investiture of Narse by the goddess Anahit at Naqsh-e-Rustam dating from 3rd century AD, Iran, Middle East

North Leigh Roman villa, the remains of a large manor house dating from the 1st to 3rd century AD, North Leigh, Oxfordshire, England, United Kingdom, Europe

Roman archaeological site, amphitheatre stage dating from 2nd century AD, and terraced seating from 3rd century AD, Butrinti, Albania, Europe

Syria, Near Halebiye (Zenobia), Fortress Built By Queen Zenobia In 3rd Century Ad, The Euphrates River , Fishermen At Work In A Small Boat