Is it an island or a volcano? That question probably explains why it's uninhabited.

An abandoned town of skeletal wooden homes.

Dozens of padlock-trees along the Moscow River.

Social outcasts and cannibalism in Stalin's Soviet Union.

Secret Soviet city once home to Russian cosmonauts and space training facilities.

This iconic Russian space museum sits on a landmark space production facility and houses the Vostok 1, the first manned spacecraft, that was also built here.

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

A Marxist summer camp full of fantastical statues lies tucked away and forgotten in the forests of Moscow.

A man-made island fort that has housed soldiers, scientists, and ravers.

What was once the base for Russia's first nature reserve is now a ghost town, right on the shore of Lake Baikal.

A dormant lightning machine equal to all the power in Russia.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

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

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

Stalin's prisoner-built rail line sits in ruin, never having a single car ride its tracks.

Legends of time travel and magical woodland creatures bolster the natural charm of this verdant sanctuary in the midst of Moscow.

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

A little church on a tiny island looks like something from a fairy tale.

A small part of Russia that does not touch any other part of Russia.

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

The reason for the strange contortions in the trunks of these "drunken" pine trees in Russia is still a mystery.

Incredible labyrinth of man made caves.

Peek through a transparent pyramid and drink in the mountain made of books.