Quark Expeditions' summer 2019 itineraries will include four new special-interest voyages.

The June 23 cruise to the North Pole will feature photographers Cindy Miller Hopkins and Sue Flood, who will run workshops on how to capture the perfect shot in Arctic conditions.

A June 9 cruise to Spitsbergen will be focused on polar bears, which will also be featured on a June 12-25 cruise entitled North Pole: The Ultimate Arctic Adventure and a Sept. 10 Northwest Passage cruise.

Through April 30, passengers can take advantage of an early-booking bonus of up to 30% off select Arctic 2019 voyages. The special-interest voyages are excluded.

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