Morning: Explore the Qutub Minar complex and marvel at the 73-meter sandstone minaret. The site also includes the Alai Darwaza gate, the Quwwat-ul-Islam Mosque, and the iron pillar of Delhi.
Afternoon: Visit the Lotus Temple, a Bahá'í House of Worship noted for its stunning lotus-like architecture. Spend some time meditating in the peaceful gardens surrounding the temple.
Evening: Head to Hauz Khas Village, a trendy neighborhood with hip cafes, boutiques, and art galleries. Enjoy dinner at one of the many restaurants and bars in the area.
Morning: Visit Humayun's Tomb, a UNESCO World Heritage Site and the final resting place of Mughal Emperor Humayun. The tomb is surrounded by beautiful gardens and several other smaller tombs.
Afternoon: Explore the Red Fort, a breathtaking sandstone fortress that served as the residence of the Mughal emperors. The complex includes several museums as well as the stunning Diwan-i-Khas and Diwan-i-Am halls.
Evening: End the day with a visit to India Gate, a war memorial that pays tribute to Indian soldiers who lost their lives in World War I. Enjoy a leisurely stroll around the beautifully landscaped lawns and fountains surrounding the monument.
Don't miss a visit to Jama Masjid, one of the largest mosques in India. You can also take a side trip to Agra to see the Taj Mahal, which is about a 3-hour drive from Delhi. To maximize your fun, consider hiring a local guide to show you around or taking a food tour of the city's famous street food.