Former prison camp dedicated to the victims of political repression.

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

The coldest city in the world.

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

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

This frozen-in-time summer home outside Moscow provides a look at Russian life in the 1950s.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

Nightmarish example of the unintended consequences of weapons testing.

This historic system is the zero level benchmark for measuring the depths and altitudes of the Baltic.

An abandoned 14th-century castle and prison complex on a small island in the Neva River.

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

An early-20th-century "dacha" village of quaint cottages curiously located in a modern part of Moscow.

The tallest hotel in Europe.

Site of the largest impact event to occur over land in Earth's recorded history.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Former headquarters of the KGB.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

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

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

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

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

Immortal combat in a Moscow museum.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.