Visit Kairouan

A UNESCO medina by the beach, the Ribat fortress and Roman mosaics in the museum.

A Roman amphitheatre for 35,000 rising out of a small town, better preserved than the Colosseum.

The world's largest car-free old city.

Ancient Islamic city of 82 mosques, where hyenas are fed by hand at night.

The first Ottoman capital under Mount Uludag: the Green Mosque, the silk bazaar and Iskender kebab.

The Kul Sharif mosque inside a Kremlin, the capital of Tatarstan where minarets and domes share a skyline.

The mausoleum of Khoja Ahmed Yasawi, Timur's unfinished masterpiece and Kazakhstan's holiest site.

Seven hundred monuments in a maze of covered souks around the Zitouna mosque, largely unchanged since the Middle Ages.