This Ukranian fortress is one of the best-preserved medieval castles in Europe.

Legend has it fairies gathered at the site of this medieval castle.

Rusted structures stand like ghosts of Cyprus' 6,000-year-old copper industry.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

Breathtaking Byzantine paintings cover the inside of this 12th-century church.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

There is beauty and history in the ruins of this former company town.

The ruins of this mining boom town stand like skeletal reminders of the settlement's dark history.

Stunning examples of Russia's 18th-century wooden architecture.

An abandoned town of skeletal wooden homes.

The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The villagers of the coldest inhabited place on Earth adjust to unique challenges presented by day-to-day living.

This remote lake in Siberia supposedly contains a fearsome sea monster.

Siberian ghost town built by gulag prisoners.

The giant Siberian crater known locally as the "doorway to the underworld" is expanding every year.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

Thanks to this small string of islands World War II still hasn't officially ended between Russia and Japan.

This nostalgic Russian museum is full of USSR cultural artifacts from the 1970s and 80s.

Russia's own leaning tower was built on a tragic historical fable.