A cairn commemorating James Cook's second landing in Australia.

A wonder of natural limestone formations etched by millions of years of natural interaction between rainfall and rock and air.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

Many rock climbers have come to conquer this slender sea stack, with various degrees of success.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

This towering totem holds the title for the tallest in the world but only according to some.

The first Russian Orthodox church in North America and an Alaskan landmark.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

The easternmost town in Alaska can only be accessed from Canada.

A skeletal collection of former nautical mainstays.

A famed drink seasoned with an amputated toe, now on its tenth digit.

Home to a full cast of the largest woolly mammoth ever recovered in North America. 

This decommissioned DC-3 now forever points into the oncoming wind.

When the big city meets the edge of the frontier, log skyscrapers are born.

Home to vintage vehicles and local artifacts, this museum also houses a rare taxidermy specimen.

The best place to send your postcards home from Antarctica.

Final resting place of Antarctic explorer Ernest Shackleton.

The most southern point you can drive to in the Western Hemisphere.

Roadside collection of 65,000 signs.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

You don't have to visit the deep blue sea to see these majestic creatures swimming wild and free.

This 1967 experiment in modular architecture was designed to be a new model for urban living.