Lion gate: Did you mean...?

An artist's depiction of Ishtar Gate as it may have appeared around the time it was constructed in Babylon c. 575 BCE. From the game Old World.

A June 1945 photograph of the ruined Brandenburg Gate in Berlin after the battle for th at city at the close of the German-Soviet War, the Eastern Front of the Second World War (1939-45). (German Federal Archives)

Aurochs from Ishtar Gate at Babylon, constructed in about 575 BCE by order of King Nebuchadnezzar II. On display in Istanbul Archaeology Museum in Istanbul, Turkey.

A model of the Ishtar Gate built in c. 575 BCE by Nebuchadnezzar II in Babylon, displayed at the Pergamon Museum in Berlin.

Detail photo of the Lions Gate in Mycenae, Argolis, Greece.

The North Gate of Housesteads Fort on Hadrian's Wall. Passport control, immigration control and customs check all in one place. The wall was a checkpoint for taxing cross-border trade as well as a defence.

Hadrian's Gate in Antalya (Turkey) was built in honor of the Roman emperor Hadrian, who visited the Roman city (Attaleia) in 130 CE.

A gate in the Roman wall of Empuries, Spain. 1st century BCE. The base of the wall was made using calcareous rock while the upper portion is of Roman concrete (opus caementicium).

The reconstructed gate of the Roman fort Biriciana in Weißenburg (Germany) along the Limes Germanicus. Biriciana was the garrison of the Ala I Hispanorum Auriana between the last years of the 1st century CE and the end of the Limes in the...

A gate entrance in the Hellenistic fortification walls of Butrint (modern Albania), 2nd century BCE. Constructed using large ashlar blocks with angled joins designed to minimise earthquake damage. Despite this precaution the large cracks...