Guests from the Lindblad Expedition ship National Geographic Explorer take the Polar Plunge off ice floe in the Weddell Sea, Antarctica, Southern Ocean

1 man only 1 1 man 1 person only 1 person antarctic adult adults antarctic peninsula antarctica antarctis behind cold temperatures cold temperature cold color image color images color colour images colour image colour circumpolar dive dived dives diving days day frozen water flen freezing water from behind full length grown ups grown up grown up grown ups habitats habitat high angle view high angle views high angles high angle high angle view high angle views holiday holidays horizontal horizontals ice lindblad expeditions lindblad expedition lindblad landscape man men only men male males mid air natural phenomena natural phenomenon natural worlds natural world nature one man only only men one man one person one one person only outdoors outside rear view snow south south pole tourism tourist tourist destination tourist destinations tourists travel travelled travelling travels vacation vacations water weddell sea s059