Palatine Hill (Latin: Palatium) also named the Sun Hill was the hill that Rome was built on. Rome later extended to include the seven hills:
Part of the Imperial Palace complex on the Palatine Hill overlooking the Circus Maximus
According to Livy (59 BC – 17) the Palatine hill got its name from the Arcadian settlement of Pallantium. The term palace itself stems from Palatium.
Palatine Hill from Colosseum
Massive retaining walls extended the area on the Palatine available for the Imperial building complex.
Fresco of the tablinium of the House of Livia
Water garden of the Domus Augustana
The photo of the excavated cave beneath the Domus Livia on the Palatine Hill, believed to be the Lupercal. The photo was taken with a remote sensing device.