The ship was built in Finland and launched in 1989. Several cruise lines operated it under different names. In 2007, Silversea Cruises took it over, gave it a multi-million dollar refurbishment, and launched it in 2008 as the Silver Explorer (named after the Monaco's reigning ruler).
The two main ones are Antarctica and the Arctic. It visits Europe and the Americas during repositioning cruises.
They come from all quarters of the world, but most are Americans, followed by the British, Canadians, and Germans.
Most passengers are in the broad 30-something to recent-retiree bracket.
I do not recommend the cruises for young children. There is no dedicated program or facility for kids. But a teenager with a keen interest in wildlife might find this cruise awesome despite its length and the scarcity of fellow teenagers to befriend.
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Silver Explorer ship info