An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

Orcas on display and in the water.

The smallest post office in the United States is no bigger than a broom closet.

A monument celebrating the idea of reaching inaccessible places.

The highway's southernmost spot is a beloved local attraction.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

This historic Victorian hotel has a scandalous history of affairs and murder.

Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

A monument stands at one of the starting lines of the Trans-Canada Highway, formerly the longest uninterrupted highway in the world.

From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

A small town market proudly displays numerous taxidermied animals along its walls.

Fossils, railroads, and waterfalls!

In 1909, the steepest and most difficult piece of track on the Canadian Pacific Railway was replaced with a series of spiralling tunnels cut into the mountains.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

Outsider art meets hard scrabble mountain life in this woodcarver's home/art piece.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

Nestled near the mountains of western Canada resides this behemoth earth mover.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.