A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.

There is a mouldering Jewish cemetery hidden away in the capital of Moldova.

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

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

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

This rustic old building is said to be the most photographed barn in America.

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

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

The highest point in Montana is as rugged and singular as the state itself.

Native Americans built this circle of stones, which was used to predict astronomical events.

Operational for less than a year, this mill produced more than 11,000 tons of chrome concentrate in its short lifespan.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

This museum details the history of a local miracle: The return of the critically endangered black-footed ferret, which was once believed to be extinct.

One man's ambition created this psychedelic log home.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

These markers are used to document elevation changes around the famed dam.

These markers are used to determine the ground stability of the Strip.