Valerian before Shahpur, 241 to 272 AD, Naqsh-e Rustam, Iran, Middle East

Tombs of Artaxerxes I (left), Xerxes (centre), and Darius the Great (right), Naqsh-i-Rustam, Iran, Middle East

Ka'ba Zardusht (Cube of Zoroaster), Naqsh-e-Rustam, Iran, Middle East

Ka'ba Zardusht (Cube of Zoroaster), Naqsh-e Rustam, Iran, Middle East

Triumph of Shapur I, Sassanid ruler, Naqsh-e Rustam, Iran, Middle East

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

From left to right the tombs of Artaxerxes I, Xerxes and Darius the Great, Naqsh-e Rustam, Iran, Middle East

Investiture of Ardeshir I, Naqsh-e Rustam, Iran, Middle East

Tombs of Darius II and Artaxerxes (left to right), Naqsh e Rustam (Naqsh-i-Rustem), Iran, Middle East

The Investiture of Ardeshir I by the god Ahura Mazda, Naqsh-E-Rustam, Iran, Middle East

Rock cut tomb of Xerxes, Naqsh-e Rustam, Iran, Middle East

Reliefs at Naqsh-e Rustam, Iran, Middle East

Tomb of Darius at Naqsh-e Rustam, Iran, Middle East

Rock cut tomb of Darius II, Naqsh-e Rustam, Iran, Middle East

Sassanian carvings showing Hormizd on horseback, dating from 303-309 BC, below the Achaemenian Tomb of Xerxes I, dating from 486-465 BC, Naqsh-e-Rostam, Iran, Middle East

Rock cut tombs at Naqsh-e-Rustam, Iran, Middle East

Naqsh-e Rustam, Iran, Middle East

Tomb of King Darius II., Achaemenid burial site Naqsh-e Rostam, Rustam near the archeological site of Persepolis, UNESCO World Heritage Site, Persia, Iran, Asia

Sassanid relief of the triumph of King Shapur I. over the Roman Emperor Valerian and Philip the Arab at the Achaemenid burial site Naqsh-e Rostam, Rustam near the archeological site of Persepolis, UNESCO World Heritage Site, Persia, Iran, Asia

Royal tomb of King Artaxerxes I. at the Achaemenid burial site Naqsh-e Rostam, Rustam, near the archeological site of Persepolis, UNESCO World Heritage Site, Persia, Iran, Asia

Sassanid relief at the Achaemenid burial site Naqsh-e Rostam, Rustam near the archeological site of Persepolis, UNESCO World Heritage Site, Persia, Iran, Asia

Royal tomb of King Darius I. at the Achaemenid burial site Naqsh-e Rostam, Rustam, near the archeological site of Persepolis, UNESCO World Heritage Site, Persia, Iran, Asia

Kaba-ye Zardosht and tomb of Darius II. at the Achaemenid burial site Naqsh-e Rostam, Rustam near the archeological site of Persepolis, UNESCO World Heritage Site, Persia, Iran, Asia

Tomb of Darius II. and of Artaxerxes I., Achaemenid burial site Naqsh-e Rostam, Rustam near the archeological site of Persepolis, UNESCO World Heritage Site, Persia, Iran, Asia

Kaba-ye Zardosht at the Achaemenid burial site Naqsh-e Rostam, Rustam near the archeological site of Persepolis, UNESCO World Heritage Site, Persia, Iran, Asia

Historic Sassanid relief of the triumph of King Shapur I. over the Roman Emperor Valerian and Philip the Arab and tomb of King Darius, Dareios I. at the Achaemenid burial site Naqsh-e Rostam, Rustam near the archeological site of Persepolis, UNESCO World