If you’re traveling to the bottom or top of the world, a pre- or post-cruise extension can take your trip to bucket-list level.

Extreme Cruise Destinations
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Antarctica-bound guests on the Seabourn Quest can book a 14-night pre-cruise package that includes a trip to the southern Ellsworth Mountains, the continent’s highest range. During a stay at Union Glacier Camp, you can ski, bike on the ice, or grab a Chilean beer in the dining tent. Guests then move on to Torres del Paine National Park, in Chile. From $50,999 per person, all-inclusive.

Extreme Cruise Destinations
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Circumnavigations of Iceland are becoming increasingly popular. And with Lindblad Expeditions, you can go even more remote and tack on a nine-day stay at Natural Habitat’s Basecamp Greenland. Sleep near an ice sheet in the Sermilik Fjord, on the island’s eastern coast, and spend your days boating into the iceberg-filled waters to look for whales and seals. From $9,995 per person.

Extreme Cruise Destination
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Passengers traveling to the Arctic Circle with Hurtigruten who begin or end their trip in Tromsø, Norway, can spend the night in a traditional Sami camp on the island of Kvaløya. Activities include storytelling around a bonfire, singing folk songs, and reindeer sleighing. From $538 per person.