Keep an eye out for polar bears as Hapag-Lloyd’s expedition ship Bremen cruises to adventure through the ice fields of the Northeast Passage. Gene Sloan, USA TODAYA Zodiac tour of the coastline of Apollonia Island brings a sighting of several polar bears. Polar bears are widespread across Franz Josef Land. (Photo: Gene Sloan, USA TODAY)At rugged Champ Island, part of Franz Josef Land, Bremen passengers pose for pictures with what are billed as the biggest geodes in the world. (Photo: Gene Sloan, USA TODAY)