u/wise_human_suggests

Located in Agra, Uttar Pradesh, the Taj Mahal is an ivory-white marble mausoleum commissioned in 1632 by Mughal Emperor Shah Jahan for his favorite wife, Mumtaz Mahal. A UNESCO World Heritage Site, it is universally admired as a masterpiece of Islamic architecture.

Tomb of I'timād-ud-Daulah is a Mughal mausoleum in the city of Agra in the Indian state of Uttar Pradesh. Often described as a "jewel box", sometimes called the Bacha Taj or the Baby Taj, the tomb of I'timād-ud-Daulah is often regarded as a model for the Taj Mahal.

Mysore Palace, also known as Amba Vilas Palace, is a magnificent royal residence and historic monument in Mysore, Karnataka. It is the former official seat of the Wadiyar dynasty and a striking example of Indo-Saracenic architecture, originally completed in 1912.