Viking Cruises tries the record for the world's longest cruise: pictures

Viking Cruises seeks to set the record for the world's longest continuous passenger cruise.

Its "ultimate world cruise," which sailed from London on August 31, will spend a full 245 days visiting 51 countries across six continents. Cruise tickets cost over $ 90,000 per person.

The cruise line uses the Viking Sun ship's record attempt.

Here's how it looks: