Apanaevskaya Mosque (other names - the second cathedral, Bahia, Cave) is located in the Old Tatar settlement in Kazan. The mosque was built in 1768-1771 gg. money Tatar merchant Jacob Sultangaleeva. Leaders of the Muslim community in Kazan Catherine II granted permission to build two mosques of stone. The second mosque was built by al-Marjani Mosque.

The new mosque was named in honor of the merchants Apanaevskoy Apanaeva containing a mosque at his own expense. The name "cave" was assigned to the mosque due to the hilly terrain of the surrounding terrain and the proximity of the steep bank.

The architectural style of the mosque there are elements of Russian (Moscow) and baroque elements, made in the traditions of Tatar decorative iskusstva.Snachala mosque was a single room, but later, the project P.I.Romanova, the mosque built a two-story building. The style match the original architectural design. The mosque has become a two-story, dvuhzalnoy, with a minaret, located on the roof zdaniya.V 1882 erected a fence around the mosque with one-storey brick store. In 1887, at the shop came the second floor.

In 1930, the mosque was closed. In the Soviet period at the mosque collapsed arches and minaret halls. Decorative elements of the interior decoration were cut, the internal volume is divided into three floors. The building opened a kindergarten.

In 1995, the building was given to madrassas. In 2007-2011. renovated building of the mosque complex. By the beginning of the restoration of the original appearance of the building of the mosque is almost nothing left. Restoration restored the destroyed minaret, rebuilt the interior division into two floors. Old interior decoration, unfortunately, was completely lost.

Nowadays Apanaevskaya Mosque - acting. It is a monument of religious architecture of the 18th century.