Hagia Sophia
Place

Hagia Sophia

Istanbul, Turkey

A masterpiece of Byzantine architecture that served as the center of the Eastern Orthodox Church for nearly a millennium before becoming a mosque, museum, and mosque again.

Cathedral/Mosque
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Vatican City
Place

Vatican City

Rome, Italy

The headquarters of the Roman Catholic Church and the smallest sovereign state in the world, featuring St. Peter's Basilica and the Vatican Museums.

Church Headquarters
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Wittenberg Castle Church
Place

Wittenberg Castle Church

Wittenberg, Germany

The church where Martin Luther allegedly nailed his 95 Theses in 1517, sparking the Protestant Reformation.

Church
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Canterbury Cathedral
Place

Canterbury Cathedral

Canterbury, England

The mother church of the Anglican Communion and seat of the Archbishop of Canterbury, featuring stunning Gothic architecture.

Cathedral
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Church of the Holy Sepulchre
Place

Church of the Holy Sepulchre

Jerusalem, Israel

Contains the two holiest sites in Christianity: the site where Jesus was crucified (Calvary) and the empty tomb where He was buried and resurrected.

Church
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