A Viking man's tribute to his brother stands in Gävle's oldest church.

In the town of Åtvidaberg, the midday sun sets off a loud cannon boom.

A catapult rock from Gotland’s 13th-century civil war is still lodged in Scandinavia's best-preserved medieval city wall.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Did he come up with a theory of cosmic-ray showers while sitting in this bath?

Hans Christian Andersen for the postmodern world.

Legend has it that this large rock maze in Sweden was created as punishment by the daughter of a wealthy captain.

This fantastic cave remained unexplored until 1948 when three schoolboys discovered a hidden entrance.

On a small island, a replica of a Finnish village from the Iron Age.

This enigmatic artifact remained buried in a churchyard for years.

The oldest housing complex in Riga is a mini timeline of architectural trends.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Special benches that play Chopin's music are scattered throughout his native city.

One of the world's largest collections of medieval religious art.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

A riverside park built around the ruins of a massive dam that collapsed in 1909.

The largest stone moai on Rapa Nui.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Macabre museum devoted to historical Viennese murders.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The final resting place for the remains of 143 Habsburg royalty.

The beautiful baroque library of the Hapsburg empire.