Banaras Is A very Holy place there lot alot things to do while roaming around people of there are nice and helpful. and I alao say that be carefull with people like pocket pikers etc.
Place you can visit Is SHRI VISHWANATH JI TEMPLE which Is One of 12 jyotirlinga. MANAS MANDIR, Lots of GHATS , you all must attend evening aarti and try boating there.
for earing pkease guys dont miss the BANARSI PAN AND KACHORI, LITTI CHOKKA & CHAI in KULLADH.