All Saints' Church, Wittenberg

Wittenberg, Germany, Germany

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All Saints' Church, commonly known as the Schlosskirche or Castle Church in Wittenberg, Germany, is a late Gothic structure built between 1490 and 1511 as part of the Elector of Saxony's residence, designed by architect Conrad Pflüger with features like ribbed vaults, buttresses, and pointed arches.

It gained eternal fame on October 31, 1517, when Martin Luther nailed his Ninety-Five Theses to its doors, igniting the Protestant Reformation, and today houses his tomb alongside those of reformers Philipp Melanchthon and Elector Frederick III.

The church, restored in Neo-Gothic style in the 1880s, stands as a UNESCO World Heritage site symbolizing Lutheran heritage with its towering 88-meter spire inscribed with Luther's hymn "A Mighty Fortress Is Our God."