The Ross Ice Shelf at the Bay of Whales - the point where Amundsen staged his successful assault on the South Pole. 78 30 S Latitude 164 20W Longitude.

Large tabular icebergs grounded in the Ross Sea.

NATHANIEL B. PALMER breaking sea ice in the Ross Sea.

Vince's Cross at Hut Point Peninsula, McMurdo Station, Antarctica. Named for George Vince, a member of the Scott Discovery Expedition, who drowned nearby.

Cross on Observation Hill erected as memorial to Robert Falcon Scott.

Scott's Hut with the NATHANIEL B. PALMER in the foreground and McMurdo Station in the background.

Stuffed emperor penguins on display in the Canterbury Museum in Christchurch, New Zealand.

Mount Erebus shrouded in clouds from McMurdo Sound.

The Ross Ice Shelf at the Bay of Whales - the point where Amundsen staged his successful assault on the South Pole. 78 30 S Latitude 164 20W Longitude.

Bust of Rear Admiral Richard Evelyn Byrd at McMurdo Station.

Shrine to _____ Williams who lost his life during Navy Antarctic operations in the 1950's when his tractor broke through the sea ice and he was drowned.

Small ice floes in open water as seen from the bridge of the NATHANIEL B. PALMER. Ice is melting at time of this picture.

The NATHANIEL B. PALMER set in ice.

The front of a melting glacier.

Large tabular ice bergs

Cape Adare, the northwest corner of the Ross Sea. 71 40 S Latitude 170 30 E Longitude.

Mount Melbourne - an active volcano. 74 21 S Latitude 164 42 E Longitude.

The Campbell Ice Tongue protruding into the Ross Sea.

A segment of the Transantarctic Mountains

The old entrance to Scott Polar Research Institute in Cambridge, England.

The old entrance to Scott Polar Research Institute in Cambridge, England.

The old entrance to Scott Polar Research Institute in Cambridge, England. The bust of Robert Falcon Scott is evident in this picture.

Mount Erebus in the distance from the top of Observation Hill.

A view of the Royal Society Range from Observation Hill. 78 10 S Latitude 162 40 E Longitude.

Preparing a meteorological balloon for launching at McMurdo Station.

Meteorological balloon with instrument package swinging below at McMurdo Station.

Installing a satellite data receiving antenna on top of the weather building at McMurdo Station. This antenna receiving station is still collecting AVHRR data for analysis of ice and other Antarctic research needs.

A Greenpeace vessel on an Antarctic expedition.

Crepuscular rays illuminate half the sky - Antarctic sunset

Iceberg

The POLAR DUKE, a vessel that crushes ice with a strengthened hull. This was a leased Norwegian vessel.

Iceberg

Brash ice near Palmer Station at the end of the Antarctic Peninsula.

The POLAR DUKE, a vessel that crushes ice with a strengthened hull. This was a leased Norwegian vessel.

Cruising along the Antarctic Peninsula on the POLAR DUKE.

Scientific equipment at Palmer Station with a glacier front in the background. 64 33 S Latitude 643 35 W Longitude.

Bad weather approaching Palmer Station. 64 33 S Latitude 643 35 W Longitude.

Cruising back to Punta Arenas, Chile, from Palmer Station.

Cruising back to Punta Arenas, Chile, from Palmer Station.

Cruising back to Punta Arenas, Chile, from Palmer Station.

Geodesic dome erected to shelter AHVRR satellite data receiver at Palmer Station

Bow shot of National Science Foundation, Research Ice Breaker NATHANIEL B. PALMER during a stop in the sea ice for sea ice sampling.

Bow shot of National Science Foundation, Research Ice Breaker NATHANIEL B. PALMER during a stop in the sea ice for sea ice sampling.

Bow shot of National Science Foundation, Research Ice Breaker NATHANIEL B. PALMER during a stop in the sea ice for sea ice sampling.

The National Science Foundation, Research Ice Breaker NATHANIEL B. PALMER during a stop in the sea ice for sea ice sampling.

Drifting bits of sea ice. Ross Ice Shelf in the background.

Drifting bits of sea ice. Ross Ice Shelf in the background

Drifting bits of sea ice. Ross Ice Shelf in the background

Drifting bits of sea ice. Ross Ice Shelf in the background

Broken sea ice