An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

The world's most remote permanent settlement on an active volcano.

America's smallest "national forest" has only 33 trees.

This ghostly Alaska village still clings to a steep cliffside despite having been abandoned for over 50 years.

Ice roads, deep holes and 3,500 pounds of diamonds.

Two islands just 4 km apart separated by an International Border and Date Line.

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

A historic freight system that found the true gold rush is in tourism.

The ghostly remains of what was once the world's richest copper mine.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

At 238 feet above the bottom of a gorge this span is known as the biggest thrill on the road to McCarthy.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

An auroral research program that superheats the ionosphere.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

The king of U.S. high points towers over every other peak on the continent.

One woman's dream became a train hotel in her backyard.

Ninety years of Sydney buses under one roof.

Nature is leading a successful mutiny on this century-old freighter.

This shrine to film's most iconic wasteland wanderer is located in the very outback where the movies were shot.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

These passages carved from the Antarctic ice hold strange shrines to the harsh southernmost climes.

French scientists make up the majority of the few humans to occupy this remote island in the extreme southern Indian Ocean.

Final resting place of Antarctic explorer Ernest Shackleton.

This uninhabited volcanic island is the most remote in the world.