The world's most northerly town, Longyearbyen, on Spitsbergen, Svalbard's largest island, also claims the most northerly high street and pub. It's home to The North Pole Expeditions Museum chronicling early pole-reaching efforts by air. Nearby, Svalbard Global Seed Vault preserves duplicate seeds from gene banks worldwide. Arctic waters around are populated by whales, including bowheads and narwhals, while walruses are regularly seen hauling out.