The ruins of Vancouver's abandoned heritage railway.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

A herd of colorfully painted bovine statues can be found in the middle of "cowtown."

The only road through the heart of Glacier National Park.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

One of the largest collections of carriages, buggies, and wagons in the world.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

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

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

An architect's childhood fantasy treehouse made real.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

No Gordon Lightfoot song, only a barebones monument to greed.

One man's ambition created this psychedelic log home.

At the time of its completion, it was the tallest dam in the world.

The first declared National Monument in the United States.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.