Kardaki Temple is an Archaic Doric temple in Corfu, built around 500 BC in the ancient city of Korkyra. The temple features several architectural peculiarities that point to a Doric origin. The temple at Kardaki is unusual because it has no frieze, following perhaps architectural tendencies of Sicilian temples. It is considered to be the only Greek temple of Doric architecture that does not have a frieze. The spacing of the temple columns has been described as 'abnormally wide'. The temple also lacked both porch and adyton, and the lack of a triglyph and metope frieze may be indicative of Ionian influence. The temple at Kardaki is considered an important and to a certain degree mysterious topic on the subject of early ancient Greek architecture. Its association with the worship of Apollo or Poseidon has not been established.
References:Sigmaringen Castle was first mentioned in the year 1077 in the chronicles of Petershausen monastery. The oldest parts of the castle are concealed beneath the alterations made during the 17th and the 19th centuries. The secret of the earliest settlement built on this defendable rock will never be fully revealed: large-scale excavation work would be necessary, which the extensive land development renders impossible. Judging from the many Roman remains unearthed in the area around Sigmaringen, the 12th century keep known as the 'Roman Tower' could be traced back to a Roman predecessor.
The castle remains that have been preserved (gate, great hall and keep) date back to the Staufer period around 1200. The castle remains were integrated into subsequent buildings. The foundations of the castle buildings are to a large extent identical to the surrounding castle wall.
These remains give us a good idea of how the castle might have looked during the 12th century.