The Andrew Carnegie Mansion is a historic house located at 2 East 91st Street at Fifth Avenue in the Upper East Side of Manhattan. Andrew Carnegie moved into his newly completed mansion in late 1902 and lived there until his death in 1919; his wife, Louise, continued to live there until her death in 1946. The building is now the Cooper-Hewitt, Smithsonian Design Museum, part of the Smithsonian Institution. The surrounding area, part of the larger Upper East Side neighborhood, has come to be called Carnegie Hill. The mansion was named a National Historic Landmark in 1966.
The house is a 3+1⁄2-story structure, finished in brick and stone. It is stylistically an eclectic variation of the Georgian Revival, with stone ashlar corner quoining, windows with heavy stone trim, and a dentillated cornice topped by an urned balustrade. A grassy lawn separates the house from 91st Street, and there is a small garden on its west side. Just east of the mansion proper is a townhouse that was purchased by Carnegie soon after its 1905 construction as a residence for his daughter. This building forms part of the current complex, although its interior has been modernized and converted to office and administrative uses by the Smithsonian.
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.