A friend of mine recently visited Cairo and his pictures are far more evocative than my words. He has captured images that seemed new to me, even though I have visited each place so often. I'm sure you will enjoy them too.
Here are the links to his photo essays with a sample photo for each as a teaser.
Sayyidna al Hussein Mosque

Bayt al Suhaymi

Fishawy Cafe and Khan el Khalili

Madrasa-Khanqah of Sultan Barquq

Al Azhar Mosque and Around

Citadel of Saladin

Al Aqmar Mosque

The Silksellers Street

Sabeel Kuttab of Kathkuda

Sharia al Muizz li Din Allah

Shops along Sharia al Muizz li Din Allah

Madrasa and Mausoleum of Sultan Qualawun

Sultan al Mu'ayyad Mosque

Bab Zuwayla

Out and About in Cairo

The Thousand Minarets of Cairo

View from BD's Hotel Room

All the pictures in this post are from Bhaskar's Photo Blog He owns the copyright on all these pictures. Please do not republish his pictures without checking with him/giving him credit.