Agra is world wide popular as it is home for famous monuments such as Taj Mahal, Agra fort and Fatehpur Sikri. There are also many other places where you can pay a visit while in Agra.
Agra is located 615 km away from Varanasi. It is reachable in 10 hours from Varanasi via road. If you prefer to travel by train, there is a facility for that as well.