Singing sand that stands as the final remains of an ancient lake.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

The smallest country in the world.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

Water of undetermined depth has attracted rare fish and cult leaders alike.

After a long, dark winter in the upper latitudes, Yellowknife knows how to let it all out in unparalleled style.

This stretch of Canadian road was named after a nickname that stuck so hard the city had to keep it.

The picturesque remains of an abandoned silver mine slope down to Tagish Lake in the Yukon.

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

This tiny square mile of Canadian sand was once considered the world's smallest desert.

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

Roadside collection of 65,000 signs.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

The only road through the heart of Glacier National Park.

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

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Don't blink or you'll miss it.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.