The Red Fort was built in the 17th century and served as the residence of Mughal Emperors until 1857. The fort has beautiful architecture and is made of red sandstone, which gives it its name. Visitors can see the various rooms and galleries that were once used by the Emperors.
The Qutub Minar is a UNESCO World Heritage Site and is one of the tallest minarets in India. It was built in the 12th century and has beautiful carvings and calligraphy on its walls. Visitors can climb up the narrow spiral staircase to get a panoramic view of the city.
Humayun's Tomb is another UNESCO World Heritage Site and is the tomb of Mughal Emperor Humayun. It is said that the Taj Mahal was inspired by the architecture of this tomb. Visitors can admire the intricate carvings and architecture of the complex.
The Lotus Temple is a unique modern architectural structure, which is in the shape of a lotus flower. It is a Bahá'í House of Worship where people of all religions can come and pray. Visitors can admire the beautiful white marble architecture.
Raj Ghat is a memorial to Mahatma Gandhi, who is known as the Father of the Nation. Visitors can pay their respects to the great leader and also visit the museum dedicated to him. The memorial is surrounded by beautiful gardens and is located on the banks of the Yamuna River.
If you have more time, you can visit other popular tourist spots like India Gate or Akshardham Temple. If you have less time, you can skip either Humayun's Tomb or Qutub Minar. Make sure to carry water, wear comfortable shoes and clothes, and keep your valuables safe while travelling.