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

The last stop in southeast Russia.

A model village fit for an emperor.

Europe's highest peak is a key pillar of the Seven Summits mountaineering challenge.

One of the most well-preserved mammoth specimens in the world.

Stalinist skyscraper built with help of cryotechnology.

One of the world's tallest statues is also one of its most hated.

Home of the future Emperors of Russia.

Museum design and public transportation meet in this unique Russian train car.

This cuddly rodent has a place of honor at a Russian institute for genetic research.

A quasi-futuristic roof sits atop a medieval Bohemian monastery damaged during World War II.

A grumpy old water goblin guarding an old mill on the Devil’s Stream in Prague.

An enormous and lavish Gothic church in Czechia.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Looming communist pillar with a Czech twist.

A series of playful yellow penguins share a serious message about the environment.

Dedicated to the untimely death of American balloonist and parachutist.

This park built on a former fortress has a reputation for romance.

Rubbing the buttons along this statue's coat is considered good luck.

This 16th-century cemetery became a recreational park during the Soviet occupation—today it's a little bit of both.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.