At the point of oceanic inaccessibility, you can't get farther from dry land without leaving the planet.

Final resting place of Antarctic explorer Ernest Shackleton.

Australia's only active volcanoes and highest peak are located on these remote islands thousands of miles away from the mainland.

The gnarled remains of an exploded German bunker from World War II sit along a breathtaking fjord.

A relic of roadside lore and perhaps the first of its kind in North America.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

The world's northernmost ice hotel.

This one-room museum is dedicated to Norwegian history and jokes.

The world's northernmost botanic garden has 25 collections of plants from arctic and alpine regions.

Norway has built what may be the world's most beautiful public toilet.

This roadside attraction looks like a flying saucer parked atop the tundra.

The largest cave in Northern Europe.

The world's largest fully steerable radio telescope.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This functioning mill was built in the 1970s using parts from several other West Virginia mills.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

How did a massive marine arthropod find its way to landlocked Ohio?

The secret city built by the Manhattan Project.

A historic coal mine that doubles as a museum and tourist attraction.