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

Lithuania's outdoor sculpture trail of wooden folk art.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

Go surfing on this urban wave, "hacked" by local surfers.

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

The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

The last permanent exhibit dedicated to the Soviet leader.

Pigduck of Turku.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

An ancient knight and a symbol of the city's freedom.

Longest fortress system anywhere in Europe.

A vast Communist-era exhibition space in the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

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

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

Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

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

This historic black and white monastery is one of Bulgaria's architectural jewels.