Iron pillar of delhi: Did you mean...?

Ashoka pillar at Vaishali, Bihar, India, 3rd century BCE.

Göbekli Tepe is a c. 12,000-year-old archaeological site in Anatolia, Turkey. The site chronology is divided into three levels, Layer I being the youngest and Layer III the oldest and deepest. Layer III is also the most sophisticated level...

Abacus of an Ashokan Pillar. Allahabad, Uttar Pradesh, India, 3rd century BCE.

Pompey's Pillar, constructed 298-302 CE, Alexandria, Egypt.

An ancient balsalt pillar in the southeastern section of the Erebuni Fortress, located on the outskirts of present-day Yerevan, Armenia. (Erebuni Historical and Archaeological Preserve, Yerevan, Armenia.)

The central pillar of the Palace of Facets in the Kremlin, Moscow, Russia. The Palace of Facets was completed in 1492. Photo taken in 2007.

This pillar support comes from the Buddhist caves at Xiangtangshan, Hebei Province, China and is shaped like a kneeling demon. It is made of limestone and dates from the era of the Northern Qi Dynasty (550-557 CE). (Royal Ontario Museum...

Pillar at the Capela dos Ossos (Chapel of Bones), Evora, Portugal showing human skulls and bones. The Chapel of Bones was constructed by Franciscan monks in the late 16th century CE. Photo taken 2016 CE.

The Pillar of Apollo on Kolona Hill, Aegina, Greece. The last remnant of the Temple of Apollo and Acropolis complex which stood on the site in the days of Aegina's glory.

This tomb, built in 1570, is of particular cultural significance as it was the first garden-tomb on the Indian subcontinent. It inspired several major architectural innovations, culminating in the construction of the Taj Mahal. Source...