The Imatrankoski Rapids has been a famous tourist sight since the 18th century. For example Catherine the Great, the Empress of All the Russias, visited Imatra in July 1772. In 1892 the railway came to Imatra, which immediately shortened the journey from St. Petersburg and increased the influx of tourists. There were originally two wooden hotels used by Russian aristocracy, but but they had been destroyed in fires in the beginning of the 20th century.
The Grand Hotel Cascade d'Imatra (Valtionhotelli in Finnish) was opened in 1903. The huge jugend style castel hotel was designed by Usko Nyström and it represents the romantic medieval knight castle style (like the Neuschwanstein castle in Germany).
After Finland's independence in 1917, the Russians found themselves barred from crossing the border and the remote location of the Imatrankoski Rapids near the Russian border no longer held any attraction to Finnish tourists. The 1920s saw the construction of the Imatrankoski power station; after that, the rapids were allowed to surge free only for special shows.
Valtionhotelli was renovated to the original outfit in 1987. Today it functions as a Spa Hotel owned by Restel Oy.
Reference: Imatra Municipality
The ancient Argos Theater was built in 320 BC. and is located in Argos, Greece against Larissa Hill. Nearby from this site is Agora, Roman Odeon, and the Baths of Argos. The theater is one of the largest architectural developments in Greece and was renovated in ca 120 AD.
The Hellenistic theater at Argos is cut into the hillside of the Larisa, with 90 steps up a steep incline, forming a narrow rectilinear cavea. Among the largest theaters in Greece, it held about 20,000 spectators and is divided by two landings into three horizontal sections. Staircases further divide the cavea into four cunei, corresponding to the tribes of Argos A high wall was erected to prevent unauthorized access into the theatron and may have helped the acoustics, but it is said the sound quality is still very good today.
Around 120 CE, both theaters were renovated in the Roman style.