Hagia Sophia, Istanbul – Byzantine architecture - 537
It was the world's largest building and an engineering marvel of its time. It is considered the epitome of Byzantine architecture and is said to have changed the history of architecture.
Byzantine ChristianCathedral (537–1054)
Greek OrthodoxCathedral (1054–1204)
Roman CatholicCathedral (1204–1261)
Greek OrthodoxCathedral (1261–1453)
Ottoman Mosque (1453–1931)
Museum (1935–present)

St Nicholas Church of Piraeus – Greek orthodox

The Sultan Qalawun complex, Cairo – 1285
The complex including Hospital, School and Mausoleum took 13 months to build. It was built over the ruins of the Fatimid Palace of Cairo. The Mausoleum considered to be the second most beautiful mausoleum after Taj Mahal.

Seville Cathedral ( The Cathedral of Saint Mary of the See), Sevilla – 1401-1528
It is the third-largestchurch in the world as well as the largest Gothic church and the largest cathedral in the world. After its completion in the early 16th century, Seville Cathedral supplanted Hagia Sophia as the largest cathedral in the world with a total area of 23,500 square meters. Shortly after Seville's conquest by Ferdinand III, Yaqub Yusuf's mosque was converted into the city's cathedral. Its orientation was changed and its spaces partitioned and adorned to suit Christian worship practicesThe Giralda (105m hight)is the former minaret of the mosque that stood on the site under Muslim rule, and was built to resemble the minaret of the Koutoubia Mosque in Marrakech, Morocco. It was converted into a bell tower for the cathedral after the Reconquista,

St. John's Church, Stockholm -Gothic revival – 1890
Designer by Carl Möller in neo-Gothic style work started on  September 14, 1883.

The Spanish Synagogue, Prague – Andalusian Moorish architecture- 1868
Is the most recent synagogue in the Prague Jewish Town.
Built in 1868 for the local Reform congregation on the site of the 12th-century Altschul, which was the oldest synagogue in the Prague ghetto.
It was called the Spanish Synagogue for its impressive Moorish interior design, influenced by the famous Alhambra. 

Abu al-Abbas al-Mursi Mosque. Alexandria -1309
The mosque was redesigned and built in today's current form by Eugenio Valzania and Mario Rossi in the years 1929/1945, and was highly influenced by Egypt's Old Cairo buildings and architecture.

Madrasa and Sabil of Sultan Qansuh al-Ghuri Complex, Cairo – Mamluk architecture -1503 – 1505
Mosque-Madrassa of Sultan Barquq - is a religious complex in Islamic Cairo – Memluk architecture – 1284 - 1386 
is a religious complex in Islamic Cairo. It was commissioned by Sultan al-Zahir Barquq as a school for religious education in the four Islamic schools of thought, composed of a mosque, madrassa, mausoleum and khanqah.

St clement church, prague - Barock catholic church - 1711 - 1715
designed by František Kaňka and built by Antonio Lurago on the site of an older Gothic church, where the Dominicans in 1227 founded their monastery, which was destroyed by Hussite Protestants in 1420.

The Dohány Street Synagogue or Grand Synagogue, Budapest -  Moorish Revival style - 1854 – 1859
the largest synagogue in Europe[1], seating 3,000 people and is a centre of Neolog Judaism. the decoration based chiefly on Islamic models from North Africa and medieval Spain (the Alhambra).

Church of St. Louis of the French, Rome - 1589
commissioned by the Medici family.

Maisel Synagogue, Prague – neo-gothic – 1590-1592
The construction of the synagogue was initiated by Mordechai Maisel, a businessman. It was built at the end of the 16th century which is considered to be the golden age of the ghetto. Since then its appearance has changed several times.

Al-Rifa'i Mosque or the Royal Mosque, Cairo - 1869 – 1912
It is the Khedival Mausoleum of the Royal Family of Muhammad Ali Pasha. The building is located opposite the Mosque-Madrassa of Sultan Hassan,[1] which dates from around 1361, and was architecturally conceived as a complement to the older structure.

Santa Maria di Loreto, Rome – 1507-1582
Built by the association of bakers and it has an octagonal floor plan. The church was built on the top of an earlier 15th century chapel.

Amir Qijmas Al-Ishaqi Mosque, Cairo – Memluk era – 1480
commissioned by the Burji Mamluk Emir Qijmas al-Ishaqi who served during the rule of Sultan Qaitbay. Located in the old islamic center of Cairo. The mosque is known for being featured on the 50 Egyptian pound bill.

Theatine Church, Munich – catholic church – 1663-1690
The church was built in Italian high-Baroque style, inspired by Sant'Andrea della Valle in Rome. During the Second World War the church was bombed. The restoration began in 1946, and was largely completed by 1955.

St. Nikolai, Leipzig - 1165
In the 18th century, several works by Johann Sebastian Bach, who was the music director of Nikolaikirche and of St. Thomas Church from 1723–50, premiered here. The Neoclassical interior dates to the late 18th century. It was built originally in the Romanesque style (with twin towers) but was extended and enlarged in the early 16th century in the Gothic style. The Baroque main tower was added in 1730; the portal dates from 1759.

Synagogue in Prague

St. Gereon's Basilica, Cologne – Roman Catholic church -1220
It is the largest dome built in the West between the erection of the Hagia Sophia in the 6th century and the Duomo of Florencein the 15th century.