City walls: Did you mean...?

Albania is located at the crossroads of the eastern Adriatic and was known as Illyria and Epirus throughout the Classical era. It played a strategic role in ancient times and was a point of contact between Illyrian, Greek, and Roman civilizations...

Dur-Sharrukin (modern Khorsabad, Iraq) was a city built by Sargon II of Assyria (r. 722-705 BCE) as his new capital between 717-706 BCE. The name means Fortress of Sargon and the building project became the king's near obsession as soon as...

Medieval castles were built from the 11th century CE for rulers to demonstrate their wealth and power to the local populace, to provide a place of defence and safe retreat in the case of attack, defend strategically important sites like river...

Persepolis was the capital of the Persian Achaemenid Empire from the reign of Darius I (the Great, r. 522-486 BCE) until its destruction in 330 BCE. Its name comes from the Greek Perses-polis (Persian City), but the Persians knew it as Parsa...

Sabratha was an ancient port city on the coast of North Africa (in modern-day Libya). The site was originally inhabited by the indigenous Berber Zwagha tribe in the 8th century BCE (according to the 11th-century CE historian al-Bakari) who...

The Byzantine Empire existed from 330 to 1453. It is often called the Eastern Roman Empire or simply Byzantium. The Byzantine capital was founded at Constantinople by Constantine I (r. 306-337). The Byzantine Empire varied in size over the...

Kalhu (also known as Caleh, Calah, and Nimrud, in modern-day northern Iraq) was a city in ancient Mesopotamia that became the capital of the Assyrian Empire under Ashurnasirpal II (r. 884-859 BCE) who moved the central government there from...

In 1204 CE the unthinkable happened and Constantinople, after nine centuries of withstanding all comers, was brutally sacked. Even more startling was the fact that the perpetrators were not any of the traditional enemies of the Byzantine...

Tyre (in modern-day Lebanon) is one of the oldest cities in the world, dating back over 4,000 years, during which it has been inhabited almost continuously. It was one of the most important, and at times the dominant, city of Phoenicia, whose...

Chang'an, located near modern Xian in Shaanxi Province, was the capital of several dynasties of ancient China from the Zhou to the Tang and eventually became one of the world's great metropolises. With regular tree-lined avenues, high walls...