Church built on the site where the last tsar of Russia and his family were killed.

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

During the Soviet era, the medieval capital of Volga Bulgaria served as a substitute for Mecca.

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

A former military outpost of Ivan the Terrible, the 16th-century church contains some of the rarest examples of Eastern Orthodox mural paintings.

Replica of mosque destroyed by Russia in the 16th century.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.

A castle perched precariously over the Crimean Sea.

One of the windiest peaks in Crimea is home to an incredible set of cable bridges.

In the land of the Light Brigade stands a testament to the Cold War.

Op-art architecture designed for happiness.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

This small museum is basically a time capsule of daily life in the Soviet Union.

A solemn, monumental, kitschy palace of worship honoring victory in the Great Patriotic War.

The largest art park on the European continent.

Thousands of biblical and pagan images are carved into this small 12th-century church.

300-year-old villagers houses and traditional churches preserve a nearly lost piece of Russian history.

This massive monument honors the first human in space.

The world's tallest statue of a woman wields the world's tallest sword and is at risk of toppling over.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.