A monument to raw, merciless power, the Colosseum (Colosseo) is the most thrilling of Rome's ancient sights. It's not just the amazing completeness of the place, or its size, but the sense of violent history that resonates: it was here that gladiators met in mortal combat and condemned prisoners fought off wild beasts in front of baying, bloodthirsty crowds. Two thousand years later it's Italy's top tourist attraction, pulling in between 16,000 and 19,000 people on an average day.
The Cyclades is a collection of islands occupying the central part of the Agean Sea. Some of these islands are the most popular and ferry connections are frequent between Athens and the islands.
Antarctica is Earth's southern most continent, containing the geographic South Pole. It is situated in the Antarctic region of the Southern Hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean. About 98% of Antarctica is covered by ice that averages at least 1 mile (1.6 km) in thickness.