Red Fort, also known as Lal Qila, which has a height of 33 meters, was built by Shajahan, the fifth Mughal Emperor in 1638.   It  houses a number of museums and is located in the centre of Delhi. The Red Fort’s innovative architectural style, including its garden design, influenced many later buildings and gardens. It was designated a UNESCO World Heritage Site in 2007.

Qutub Minar is a 73 m-high tower, with a 15 m diameter at the base to just 2.5 m at the top, built by Qutab-ud-din Aibak in 1193. The tower is one of the finest monuments in the world.  The Quwwat Ul Islam Mosque now in ruins in the Qutub complex is one of the most magnificent structures in the world. The mosque was completed in 1197. Close to the mosque is one of Delhi’s most curious antiques, the Iron Pillar. The Alai Gate, the Alai Minar, and the tombs of Iltutmish, Alauddin Khalji and Imam Zamin are also part of Qutub Complex. The Complex drew 3.9 million visitors in 2006 and was India’s most visited monument that year.

Purana Quila, which is one of the oldest forts in Delhi and having a circuit of nearly two kilometres, is built by Sher Shah Suri. The massive gateway and walls of Purana Quila were built by Humayun.

The Lotus Temple in New Delhi, is a Bahá’í House of Worship which was dedicated in December 1986. The Lotus Temple is open to all, regardless of religion or any other qualification. The flower shaped Lotus Temple has won numerous architectural awards and been featured in hundreds of newspaper and magazine articles. This first temple in Delhi to use solar power is one of the most visited buildings in the world.

Akshardham Temple is a spiritual-cultural campus in New Delhi. The Temple complex features an Abhisheka Mandap, Sahaj Anand water show, a thematic garden and three exhibitions namely Sahajanand Darshan , Neelkanth Darshan and Sanskruti Darshan The Temple, which sits near the banks of Yamuna was officially opened in November 2005.

Hyderabad House, is a building used by the Government of India for banquets and meetings for visiting foreign dignitaries and has also been a venue for joint press conferences and major government events. It was designed by  eminent British architect Sir Edwin Lutyens as a residence for the last Nizam of Hyderabad. It is spread over 8.77 acres, and built in the shape of a butterfly, in Indo-Saracenic architecture. The entrance hall of the palace, a dome with an entrance hall beneath with symmetrical wings at fifty-five degree angle, is the outstanding feature. It was the largest and grandest of all palaces built in Delhi by Edwin Lutyens during 1921-1931.