The Palace of the Grand Master of the Knights of Rhodes, also known as the Kastello, is one of the few examples of Gothic architecture in Greece. The site was previously a citadel of the Knights Hospitaller that functioned as a palace, headquarters, and fortress.
According to recent study, in the exact spot in which the palace exists today, there was the foundations of the ancient temple of the Sun-god Helios and probably that was the spot where Colossus of Rhodes stood in the Antiquity. The palace was originally built in the late 7th century as a Byzantine citadel. After the Knights Hospitaller occupied Rhodes and some other Greek islands (such as Kalymnos and Kastellorizo) in 1309, they converted the fortress into their administrative centre and the palace of their Grand Master. In the first quarter of the 14th century, they repaired the palace and made a number of major modifications. The palace was damaged in the earthquake of 1481, and it was repaired soon afterwards.
After the 1522 capture of the island by the Ottoman Empire, the palace was used as a command centre and fortress.
During the Italian rule of Rhodes, the Italian architect Vittorio Mesturino restored the damaged parts of the palace between 1937 and 1940. It became a holiday residence for the King of Italy, Victor Emmanuel III, and later for Fascist dictator Benito Mussolini, whose name can still be seen on a large plaque near the entrance.
On 10 February 1947, the Treaty of Peace with Italy, one of the Paris Peace Treaties, determined that the recently established Italian Republic would transfer the Dodecanese Islands to Greece. In 1948, Rhodes and the rest of the Dodecanese were transferred as previously agreed. The palace was then converted to a museum, and is today visited by the millions of tourists that visit Rhodes.
References:The Roman Theatre of Mérida is a construction promoted by the consul Vipsanius Agrippa in the Roman city of Emerita Augusta, capital of Lusitania (current Mérida). It was constructed in the years 16 to 15 BCE. One of the most famous and visited landmarks in Spain, the Roman Theatre of Mérida is regarded as a Spanish cultural icon and was chosen as one of the 12 Treasures of Spain.
The theatre has undergone several renovations, notably at the end of the 1st century or early 2nd century CE (possibly during the reign of Emperor Trajan), when the current facade of the scaenae frons was erected, and another in the time of Constantine I (between 330 and 340), which introduced new decorative-architectural elements and a walkway around the monument. Following the theatre"s abandonment in Late Antiquity, it was slowly covered with earth, with only the upper tiers of seats (summa cavea) remaining visible.