The Red Fort is a historic fort in the city of Delhi. It served as the main residence of the emperors of the Mughal dynasty for nearly 200 years. The fort represents the zenith of Mughal creativity under Shah Jahan and is recognized as a UNESCO World Heritage Site.
Humayun's Tomb is the tomb of the Mughal Emperor Humayun in Delhi, India. The tomb was commissioned by Humayun's wife Hamida Banu Begum in 1562 AD, and designed by Mirak Mirza Ghiyas, a Persian architect. It was the first garden-tomb on the Indian subcontinent.
Qutub Minar is a minaret and "victory tower" that forms part of the Qutb complex, a UNESCO World Heritage Site in the Mehrauli area of Delhi. The tower is 73 metres (240 feet) tall and has a diameter of 14.3 metres (47 feet) at the base.
The Lotus Temple, located in Delhi, India, is a Baháʼí House of Worship that was dedicated in December 1986. Notable for its flowerlike shape, it has become a prominent attraction in the city. Like all Baháʼí Houses of Worship, the Lotus Temple is open to all, regardless of religion or any other qualification.
The India Gate is a war memorial located astride the Rajpath, on the eastern edge of the "ceremonial axis" of New Delhi, formerly called Kingsway. India Gate is a memorial to 70,000 soldiers of the British Indian Army who died in the period 1914–21 in the First World War, in France, Flanders, Mesopotamia, Persia, East Africa, Gallipoli and elsewhere in the Near and the Far East, and the Third Anglo-Afghan War.
If you have time, visit the Akshardham temple, explore the local markets like Chandni Chowk and Janpath, or watch the sound and light show at the Red Fort. You can also take a side trip to Agra to see the Taj Mahal.