Holy grail: Did you mean...?

The Church of the Holy Sepulchre, Jerusalem. Completed in July 1149 when the city was the capital of the Kingdom of Jerusalem, the church replaced a smaller version on the site considered to be the place of Jesus Christ's crucifixion and...

The 'Banner of the Holy Wounds' which was used by protesters during the Pilgrimage of Grace uprising of October 1536 CE against the reforms of the Catholic Church made by Henry VIII of England (r. 1509-1547 CE).

Equestrian portrait of Charles I of Spain aka Charles V, Holy Roman Emperor by Titian depicting Charles V at the Battle of Mühlberg in April 1547 where he defeated the Protestant forces of the Schmalkaldic League, 1548. Museo del Prado...

Boniface cuts down holy oak of 'Jupiter' or Donar.

Tomb of Holy Roman Emperor Frederick II (l. 1194-1250 CE) in Palermo, Sicily.

The Holy Cross Cathedral is the main Greek Catholic church of Uzhhorod, Ukraine and is the residence of the Mukachevo bishops. The cathedral was founded in 1640. The exterior of the cathedral is done in the neoclassical style.

The Holy Cross Episcopal Mission, Wounded Knee, South Dakota, used as a hospital for the wounded Lakota Sioux following the Wounded Knee Massacre.

Gold coin of Holy Roman Emperor Frederick II, minted in Sicily between 1211-1250 CE. Weighs 5.2 grammes and measures 20 mm (British Museum, London)

The facade of the Gothic Cathedral of the Holy Cross, Orléans, France. 13-16th century CE.

Illustration of an enthroned Lothar I, Holy Roman Emperor (r. 840-855), King of Middle Francia (Lotharingia) and Italy (r. 843-855). Copied by G.W. Hutin, 1821, from a 9th-century manuscript of the Gospels. The British Museum, London.