This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The Guardian of Tallinn.

The oldest continuously operating pharmacy in Europe.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

An underground nightclub helped spark a "Singing Revolution."

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.

A rare octagonal brick beacon on an isolated island in the Baltic.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

An incredibly durable timepiece glows beneath shoppers' feet.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.

Every summer, an open-air swimming pool appears at the base of a Finnish city's beloved winter attraction.

Finland's oldest astronomical observatory once played a crucial role in seafaring and timekeeping.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

A collection of collections ranging from dentistry to minerals.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

A subterranean house of worship carved right out of the bedrock.

This building featuring Brutalist architecture has a rich media production history.

An abstract monument to a symphonic composer.

A small island dotted with old, historic Finnish buildings.

This restaurant combines two Finnish traditions in one place: warm-weather relaxation and outdoor carpet-cleaning.