In the morning, leave Delhi for Agra, which is home to one of the Seven Wonders of the World: the Taj Mahal. Spend the day exploring this magnificent marble monument built by the Mughal emperor Shah Jahan in memory of his beloved wife Mumtaz Mahal. In the afternoon, visit Agra Fort, a UNESCO World Heritage Site that served as the main residence of the emperors of the Mughal Dynasty until 1638. In the evening, experience the local street food scene at Sadar Bazaar, where you can savor delicious chaats, samosas, and lassis.
Head to Mathura, the birthplace of Lord Krishna, in the morning and explore the Mathura Museum, which houses impressive artifacts from the Gupta and Kushan periods. In the afternoon, visit Dwarkadheesh Temple, a Hindu temple dedicated to Lord Krishna, and immerse yourself in the vibrant and colorful atmosphere of the temple. In the evening, attend the sound and light show at the nearby Gita Mandir, where you can learn about the teachings of the Bhagavad Gita in an engaging way.
Don't miss the Fatehpur Sikri, a deserted city built by Mughal emperor Akbar, located en route to Mathura. You can also consider taking a day trip to Vrindavan, a town near Mathura that's also famous for its association with Lord Krishna. To maximize your fun, try out some adventurous activities like hot air balloon rides over the Taj Mahal or ATV rides in the nearby sand dunes in Agra.