Assi Ghat is one of the most popular ghats in Varanasi, located at the confluence of the Ganges and Assi rivers. It is a great place for relaxing and watching the sunrise or sunset. You can also take a boat ride on the Ganges and enjoy the view of the ghat and other ghats nearby. There are many food stalls near the ghat selling delicious street food of Varanasi.
Sarnath is a Buddhist pilgrimage site and is famous for the Dhamek Stupa, which is believed to mark the spot where Buddha gave his first sermon. The site also has other ancient stupas and temples. You can spend a peaceful time learning about Buddhism and exploring the ruins. There is a museum on-site which houses a collection of Buddhist artifacts.
Chunar Fort is a historic fort that has stood since the 11th century. The fort has seen the rise and fall of many empires and has played an important role in the history of the region. The fort offers a panoramic view of the Ganges and the surrounding countryside. You can also explore the underground tunnels and see the fort's various structures.
Bharat Kala Bhavan Museum is a museum in the Banaras Hindu University campus which houses a collection of Indian art and artifacts. The museum has various galleries showcasing sculptures, paintings, and textiles from different regions and eras of India. The museum also has a library that houses rare Indian manuscripts and books.
If you have more time, you can explore other ghats in Varanasi, like Manikarnika Ghat and Dashashwamedh Ghat. You can also take a holy dip in the Ganges or attend the Ganga Aarti ceremony in the evening. If you have less time, you can skip Chunar Fort and spend more time in Varanasi, exploring the city's narrow lanes and trying different street foods.