First mentioned in 1349, but possibly older, Buben castle was home of the knights of Buben (means literally 'drum'), and held it´s name even under other owners. The family sold their first castle around 1378 (they had other castles then), but they use the family name Buben until today. The castle often changed owners together with the surrounding lands, it wasn´t used for living because of it´s isolated position in the 16th Century, and began to deteriorate but only slowly, because there was nobody around to disassemble the stone for their own use. It was a partial ruin in 1912, when first larger repairs were made by the Czech tourist club. A through conservation was done in the 1930ies, but a very unprofessional repair was done in 2010 with modern materials, which destabilized the repaired parts and a bastion completely collapsed in 2013. because the used concrete sucked in too much water and became too heavy for the old wall. The future for now is unsure.
References: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.