The Church of Panagia Grigorousa
Devoted to the archangels, this church stands at the site of a former Byzantine chapel. Built sometime in the 11th or 12th century, the original structure was almost entirely destroyed during the Revolution of 1821.
St. Paul's Anglican Church
Established in 1843, St. Paul's Anglican Church is located at the junction of Philellinon Street with Amalias Avenue in downtown Athens.
Church of the Holy Apostles
The Church of the Holy Apostles, also known as Holy Apostles of Solaki or Agii Apostoli is located in the Ancient Agora of Athens, Greece, next to the Stoa of Attalos, and can be dated to around the late 10th century.
Temple of Hephaestus
Around AD 700, the temple was turned into a Christian church, dedicated to Saint George. Exactly when the temple was converted to a Christian church remains unknown. There are assumptions however that this possibly occurred in the 7th century.
The Parthenon
The Parthenon is a former temple, on the Athenian Acropolis, Greece, dedicated to the goddess Athena, whom the people of Athens considered their patron. Construction began in 447 BC when the Athenian Empire was at the peak of its power. It was completed in 438 BC although decoration of the building continued until 432 BC.
Church of the Metamorphosis
The construction date is controversial; it might be the late 11th/ early 12th, or the 14th century. On closer look at the masonry, you shall notice that some parts are much cruder than the others (compare, for example, the external wall of apse and the northern wall).