Baroque beauty in Grote Kerk or Onze-Lieve-Vrouwekerk (Church of Our Lady) in Breda, Netherlands. Love the blue-gray and green-gray colors and all the cherubs. (one of my life goals is to play one of these awesome things.
The Christian Müller organ in the Jacobine or Great Church, built between 1724 and Leeuwarden, Friesland, The Netherlands.
The pipe organ of the First Church of Christ, Scientist in Boston, Massachusetts (USA) is one of the ten largest in the world with over pipes. It was built in The church's nickname is the Mother Church.