Ventifact rock formation with a face, Dry Valleys, Antarctica.
Bull Pass, near Lake Vanda in the Dry Valleys, Antarctica.
Mount Erebus in August about 1 week before the sun rises again at the end of the Antarctic Winter
IceErebus dawn winter antarctica
Moonlight Landscape, Black Island, Antarctica.
Nacreous Clouds over the melt channels in the ice shelf in front of Black Island, Antarctica.
IceNacreous cloud polar stratospheric antarctica winter
Ice pressure ridges in front of Scott Base in early summer at 1am in the morning when the sun is no longer setting
Mount Erebus as seen from the pressure ridges in front of Scott Base
Mount Erebus as seen from the pressure ridges near Scott Base Antarctica
Pressure Ridges in front of Scott Base. These form over the winter as the sea ice expands and is also being crushed by the advancing Ross Ice Shelf behind them.
pressure ridgesice shelf scott base twilight antarctica anthony powell
Hut point ridge to the north of McMurdo Station after a fresh snow fall a few days after the last sunset.
Nacreous or Polar Stratospheric Clouds in the sky above an ice formation in the Scott Base pressure ridges.
Pressure Ridges in front of Scott Base. These form as the sea ice in front of Scott Base is crushed by the advancing Ross Ice Shelf behind it.
Full Moon setting behind the Trans-Antarctic Mountains
Moon Rise over the Ross Ice Shelf behind the pressure ridges in front of Scott Base.
Nacreous or Polar Stratospheric Clouds being illuminated by the moon over McMurdo Sound Antarctica.
Full Moon over Observation Hill. The cross is the memorial marker to Robert Scott and his men who died returning from the South Pole in 1914.
Polar Stratospheric Clouds or Nacreous Clouds
Radio repeater on top of Mount JJ Thompson
Deep inside a crevasse
Mount Erebus, Antarctica's active volcano letting off smoke. The lights of McMurdo Station and Scott Base can be seen in the foreground.
Standing near the base of the Barne Glacier.
A glacier flowing off the southern end of Black Island into the Ross Ice Shelf, Antarctica.
The Andrill research camp on the sea ice in McMurdo Sound, Antarctica.
Part of the Trans-Antarctic mountains.
"Our Lady of the Snows" shrine is a memorial to a bulldozer operator who lost his life when his machine broke through the sea ice and plunged to the bottom of the ocean.
The Onyx River, which only flows for about 2 months each year into Lake Vanda, is Antarctica's longest river in the Dry Valleys.
Sunset shot of Nacreous or Polar Stratospheric cloud, which forms when ozone depleting gas crystallizes in the upper atmosphere.
The sun over Inaccessible Island in McMurdo Sound, surrounded by seasonal sea ice.
Crescent Moon over Mount Discovery
180 degree view of the beach at Cape Bird. The ring around the sun is caused by ice crystals in the air, commonly referred to as a sun dog.