Built by Shah Jahan in Agra as a mausoleum for Mumtaz Mahal -- completed around 1653.
Delhi's tallest minaret, construction started by Qutb-ud-din Aibak around 1192.
Jaipur's "Palace of Winds" -- built in 1799 with 953 small windows for royal women to observe street life unseen.
A victory tower in Chittorgarh Fort, Rajasthan -- built by Rana Kumbha. Frequently confused with a Gujarat monument.
Five down -- start the Monuments quiz now.