It is presumed that the Battenberg castle was constructed by Count Frederick III of Leiningen (d. 1287), and it remained a possession of the House of Leiningen - until 1689, when it was destroyed during the War of the Palatine Succession by French troops. Together with Neuleiningen Castle, on the opposite hillside 1,400 metres to the north, it controlled access to the Eckbach valley.
On three sides the outer walls of the castle follow the edge of the steep-sided hill spur. The wall on the fourth side was protected by a moat, now completely filled in. Surviving structures include: the outer walls, a gate tower on the western side near the northwest corner of the site, a battery tower with embrasure in the centre of the south side, and the vaulted cellar and foundations of a large dwelling. Attached to this is a staircase tower, erected in the 16th century, which is still standing.
The ruins are in private ownership but there is limited public access.
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.