The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

A Wild West saloon that helped define a generation of psychedelic rock.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

The longest living non-clonal organisms on Earth.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Perhaps the world's only gas station inspired by a political scandal.

During its heyday, 72 one-ton buckets from this dredge bore into the Powder River excavating vast gold deposits.

The wooden airship was the largest flying boat ever built.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

A Roman-style column in Oregon hides a spiral staircase inside.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

See just what life was like in a 19th-century prospecting town.

Irontown was founded in 1868, as a second attempt to mine iron from the nearby Iron Mountain.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

The last SR-71 ever constructed.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

The unusual patterns in this rock formation result from two distinct modes of weathering.