Roman Colosseum
41.889772°N 12.490197°E

The back of the Roman Colosseum.

Roman Colosseum
41.890100°N 12.490989°E

The Roman Colosseum's different levels.

Roman Colosseum
41.890333°N 12.491847°E

Inside the Roman Colosseum.

The construction of the Roman Colosseum began in about 70 AD.  

Colosseum

The Colosseum, or the Coliseum, originally the Flavian Amphitheatre (Latin: Amphitheatrum Flavium, Italian Anfiteatro Flavio or Colosseo), is an elliptical amphitheatre in the centre of the city of Rome, Italy, the largest ever built in the Roman Empire, built of concrete and stone. It is considered one of the greatest works of Roman architecture and Roman engineering.

• http://en.wikipedia.org/wiki/Colosseum
• Hillman 1000 Wonders