Un/Mapped Antarctica: Cross-country skiing on a frozen sea; singing leopard seals & top polar photography tips

Go boldly into the ice of Antarctica: take the polar plunge, cross-country ski on a frozen sea, and hike in the footsteps of history's greatest explorers. A once-in-a-lifetime trip calls for once-in-a-lifetime photos. Get prepped with these expert tips. Penguin pebble fights. Singing killer whales. Drifting island-sized icebergs. Watch Antarctica come alive with motion and nature-made melodies. © 2021 Lindblad Expeditions. All Rights Reserved. Lindblad Expeditions and the Eye are the trademarks of Lindblad Expeditions, LLC.   © 2021 National Geographic Partners, LLC. All Rights Reserved. NATIONAL GEOGRAPHIC and the Yellow Border are trademarks of National Geographic Society and used with permission.   WKNEWS.ANTA-012721_TA