New northenmost island photographed from an airplane in 1998.

Searching for Ultima Thule. Peter Skafte is negotiating a melt water pool on the sea ice.

The 2003 Ultima Thule. The coastline of Greenland can be seen in the background.

Mara Boland building a cairn on the most northen island in 2003.

Detail of the rock found on the northenmost island discovered in 2003.

Aerial photo of island 10 days later. Notice the edge of the ice-shelf in the background.

Mara Boland reading a note left by the Brandt expedition on May 22, 1991. It was found in a cairn on Kaffeklubben Island.

Crossing melt water pools and snow drifts with snow shoes during Top of the World Expedition, 1996.

With the mainland far off in the background we navigate the ice shelf and it's many melt pools to reach the islands.

Peter Skafte on Kaffeklubben Island in 1996.

Algae or dust concentrate in spots on the bottom of the melt-water pools and contribute to the rate with which the ice is melting.

Peter Skafte standing on the 1996 island before it emerged from melt water pool.

The 1998 Top of the World Expedition team members on Kaffeklubben Island.

Northern end of Kaffeklubben Island.

The view from Mara Mountain looking at Kaffeklubben Island in the far distance.

Mara Boland holding an ancient Narwhal tooth found on the north coast of Greenland.

View from the plane while flying along Greenland's northeast coast.

Mara Boland at the world's most northen archaeological site near Amalortaq Lake on the north coast of Greenland.

Purple Sassafras flowers in Pearyland.

Mara Boland standing with plane at landing site in Independence Fjord.

Mara Boland at Peary’s cairn on Cape Morris Jessup. Mara is holding a bottle of liquer left by Lauge Koch who mapped the northen coast of Greenland in 1921. Peary also left a bottle of whiskey and an American flag in the cairn.

Team members from the 1998 Pearyland expedition.

Our Twin Otter flying over Bliss Bay on the north coast of Greenland.

The cockpit of our Twin Otter aircraft flown by captain Johanns Skirnnison.

Base camp tents at Bliss Bay in 1996.

Gaylen Rowell and Peter Skafte on the summit of Mara Mountain in 1996.

Gaylen Rowell photographing his favorite subject in Pearyland, 1996.

Musk Ox skull giving life to flowers on the north coast of Greenland.

Kaiser Franz Joseph Fjord in the souther part of Greenland's national park.

A Musk Ox skull in Badland Valley near Hold With Hope area of Greenland's national park.

Polar bear with cubs near Mygbugta in Greenland's national park.

Antler from an extinct Greenland Carribou. They went extinct in 1900 due to abnormally warm weather which caused a layer of ice to be formed on top of the vegetation.

Arctic wolf prints near Frigg Fjord in Pearyland.

Peter Skafte sits in the expedition house for the Denmark expedition in 1996/1998 at Denmark's Havn.

Iceberg in Kaizer Franz Joseph Fjord.

Polar bear cubs riding their mother while she swims the fjord.

Sea ice during the summer.

Attastupan (suicide cliff) in Kaizer Franz Joseph Fjord. The cliff is 6,300 ft. high. The world's tallest sea cliff.

Peter Skafte sitting on a bear canister.