Adhai-Din-Ka-Jhonpra is a remarkable structure of Indo-Islamic architecture said to have been built in two and a half days flat. This mosque was a Sanskrit college in the 12th century but in 1193 AD Mohammad Ghori destroyed the college and built a mosque in its place. It is built on pillars and surprisingly no two pillars are alike. The distinct pillars-and arched "Screen" with its ruined minarets make it a splendid architectural masterpiece. The monument has seven arched walls with Islamic calligraphy, though most of it now remains in ruins.

Beyond the Dargah, among narrow and crowded lanes, is this remarkable, early Islamic structure. Mohammed Ghori hurriedly put together a mosque within two and a half days, using the remains of several neighbouring temples. Pillars, from at least thirty temples, must have gone into the making of this elegant monument. According to another legend, the structure is named after a festival, which carried on for two and a half days.

The archways are finely engraved with Kufi and Jughra inscriptions from the Holy Koran. The mosque has 10 domes supported by 124 pillars. These pillars depict Hindu and Jain architecture.

Taragarh: About 3 kms. away from the Adai-din-ka-jhonpra is Taragarh Fort meaning 'star fort'. This fort offers a very good view of the city; it is rectangular and has a 5 metre thick wall. On the way to the fort is a graveyard wherein lie the bodies of Muslim martyrs who died for the fort. The British later used the fort as a sanatorium.