In the morning, head to Red Fort, a historic fort made of red sandstone that served as the residence of Mughal emperors. Afternoon, visit Jama Masjid, one of the largest mosques in India with a capacity of 25,000 people. Finally, go to Raj Ghat, a memorial dedicated to Mahatma Gandhi and pay your respects.
Begin your day at Qutub Minar, a UNESCO World Heritage Site and the tallest brick minaret in the world. Next, visit Humayun's Tomb, a masterpiece of Mughal architecture and another UNESCO World Heritage Site. In the evening, head to Lotus Temple, a Bahá'í House of Worship designed in the shape of a lotus flower.
Other local attractions to consider visiting are Akshardham Temple, India Gate, and National Museum. For a side trip, you can take a day trip to Agra to visit the stunning Taj Mahal. To maximize your fun, try local street food, explore local markets like Chandni Chowk and Janpath, and take a rickshaw ride through the old streets of Delhi. Lastly, it is recommended to book your accommodation and flights in advance to avoid any last-minute hassle. You can find suitable flights and accommodations at https://booking.tp.st/VhZsadPo.