The Kremlin is the oldest part of Kazan, the city's history is inextricably linked with him. Education of the city began with the construction of the fortress on the hill. And the fortress on the hill, as now considered, was founded in the early eleventh century. The construction of the stone castle began under Ivan the terrible.

Of the 13 towers, after numerous fires and alterations, remained only 8. The most elegant of them — Spasskaya. Originally it was a white stone two-tier tower with a crankshaft passing through, covered by a high wooden roof and a tent. The top two tiers and a tent was added in the eighteenth century. In the mid-nineteenth century to the right of the tower in the fortress wall struck Lancet arch shape. Eventually cranked the fare laid. After the revolution was broken open passage through the Spasskaya tower.

Built almost simultaneously, the Spasskaya tower, taynitskaya, unlike her, have kept crankshaft travel. Impressive lower level carries a smaller top. Its architectural treatment belong to the XVII century. With ambulatories surrounding the upper level, offers a beautiful view of the city.

Suyumbike tower was built no earlier than the last quarter of the SEVENTEENTH century on the foundations of an earlier watchtower tower Khan period. This is one of the few in the world, falling towers: immediately after the construction of the tower started tilting to the East, for its West side, built on the foundations of the old watchtower, proved more resilient. By 1930, the deviation from the axis of its top reached 128 centimeters. Remediation activities conducted in the 1990-ies, has suspended its roll.

The main attraction Orthodox Kazan Kremlin is the Cathedral of the Annunciation, built by master Ivan Shireen and Postnik Yakovlev in 1562. The temple was repeatedly exposed to the ravages of fires are very frequent in Kazan. It is a white stone, with frescoes inside, the grandiose building about five chapters semicircular shape that is similar to the Moscow Dormition Cathedral. The Annunciation Cathedral is also the necropolis, because here are buried all archbishops Kazan, who died before the revolution of 1917. Unfortunately, not all graves have been preserved to our days. Now there are restoration work.

In 1995 work began on "recreating" the legendary mosque Kul-Sharif. This religious, cultural, educational and memorial center, the lower floor of the building placed the Museum of Islam.