English: Greek Orthodox Cathedral of the Annunciation (Baltimore, Maryland), a parish of the Metropolis of New Jersey of the Greek Orthodox Archdiocese of America.

This circular stone church is one of the most unusual buildings in Baltimore. Designed by Charles E. Cassell in Romanesque style with Byzantine touches, it was built for the Associate Reformed Church in 1889. Left vacant in 1934 and slated to be razed for a filling station, the church was saved through the intervention of the Greek Orthodox congregation, which purchased it in 1937. A Greek inscription, meaning "House of God, Gateway to Heaven" (Gr.: "ΟΙΚΟΣ ΘΕΟΥ - ΠΥΛΥ ΟΥΡΑΝΟΥ"), was carved into the stone above the entrance. In 1938 the church was consecrated in the Orthodox tradition by Archbishop Athenagoras of the Archdiocese of North and South America.

Picture taken on Holy Thursday, April 20, 2006.